Answers
Final answer:
In pea plants, the yellow seed color (Y) is dominant over the green seed color (y); thus, crossing true-breeding yellow and green pea plants will result in F1 offspring all having the dominant yellow phenotype.
Explanation:
Among the traits for pea seed color, the yellow trait (Y) is dominant over the green trait (y). This is evidenced by the cross of true-breeding parents in the P generation, where plants with the yellow phenotype (YY) are crossed with plants that have the green phenotype (yy).
The result of this cross produces F1 offspring that are all heterozygous (Yy) and demonstrate a yellow phenotype, indicating that yellow is dominant as it masks the expression of the green trait.
When you perform this cross, you would expect the F1 offspring to all possess the yellow seed phenotype. This is confirmed in a Punnett square analysis, which predicts the genotypes of the F2 generation, showing a 3:1 ratio of yellow to green phenotypes in the F2 offspring from the F1 heterozygotes.
The F1 offspring receive one allele for yellow seed color (Y) from the yellow parent and one allele for green seed color (y) from the green parent. However, since yellow (Y) is dominant, all F1 offspring display the yellow phenotype despite being heterozygous.
Related Questions
What’s the answer???
Answers
Plant cells
Answer:
Storing energy and Eukaryotic Cells
Explanation:
Chloroplasts are pigments, and pigments turn that light into energy. The green that you see on plats are because of the chloroplasts, either reflecting green or absorbing green. Chloroplasts are only found in Eukaryotic cells, that means it isn't found in just plant cells.
which example is a way that intercellular communication occurs?
A. A signal is sent down an exon within a nerve cell.
B. A molecule is sent through the plasmodesmata of a plant cell.
C. A signal is translated into action for a muscle cell to contract.
D. A molecule is transmitted from one part of a cell to another to cause a response.
Answers
Answer:
I believe the answer is A
Explanation:
Intercellular Communication is the transfer of information from one cell to another. Cells signal each other by direct contact with each other or by the release of a substance from one cell that is taken up by another cell.
Hope this helps! Brainliest please!
Saffron
Answer:
A molecule is sent through the plasmodesmata of a plant cell.
Explanation:
hope this helps :)
A mutation that inserts or deletes one or two nucleotides is usually more harmful than a mutation that substitutes one base for another because -
A It changes one amino acid in the sequence of a protein
B it shifts the reading frame for the rest of the code causing many errors
C The codon consists of three nucleotides coding for an amino acid
D the chromosomes fail to separate resulting in trisomy 21
Answers
If one or two nucleotides are added or deleted, they will cause a shift in the reading frame. This resulted in many errors.
Frame Shift Mutation:
There is code for every amino acid consecutively present in mRNA. These codes are read by the ribosome to form proteins. If one or two nucleotides are deleted or inserted, It completely changes the patern of codes. Hence it will read differently and form a non-functioning protein.Hence, we can conclude that If one or two nucleotides are added or deleted they will cause a shift in change the reading frame result in many errors.
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What is the term for traits evolved by organisms to help them survive more easily in their climate and biome
Answers
explanation: organisms evolve adaptations that help them survive in the climate of the biome where they live.
The term you are referring to is "adaptive traits" or "adaptive characteristics." Adaptive traits are specific features or characteristics that have evolved in organisms over time to help them better survive and thrive in their particular climate and biome.
These traits are the result of natural selection, a fundamental mechanism of evolution, where individuals with advantageous traits have a higher chance of surviving and reproducing, passing these traits on to their offspring.
Adaptive traits can take various forms, such as physical adaptations (e.g., camouflage, insulation, or specialized appendages for feeding), physiological adaptations (e.g., efficient temperature regulation mechanisms), or behavioral adaptations (e.g., migration patterns or foraging strategies). The key to their success is their compatibility with the specific environmental conditions of a given biome, enabling organisms to exploit available resources and cope with challenges, like extreme temperatures, food scarcity, or predation.
Ultimately, adaptive traits play a crucial role in shaping the diversity of life on Earth and are essential for an organism's survival and reproduction within its specific habitat.
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Some bacteria live in the roots of plants like soybeans and peas. What is the role of these bacteria in the nitrogen cycle.
Answers
Answer:
D
Explanation:
John's class has been studying blood type and donations John is not sure what blood type he has A dinner John asked him mom
if she knew his blood type John's Mom has type A blood and his Dad has type B blood John's Mom tells him he must have the
type A or type bike his parents to lohn's Mom correct?
A)
No Blood
is not inherited
Yes Tracts are always inhented from parents
No lon could have type A B AB. O depending on the alleles he
when from his parents
Yes To Mom will give him an allele for type A and his Dad will give him
Answers
Its No. John could have type A, B, AB, or O, depending on the alleles he inherits from his parents. which is letter C.
No, she is not correct johns blood group depends on which allele he gets inherited from his parents so the blood group could be A, B, AB, or O.
What is a blood group?A person will still have type A blood even if they inherit both the A and O alleles. Blood type is genetically determined by the genotypes, or allele compositions, of the parents.
Three different allele types—A, B, and O—make up the ABO gene. The first two, A and B, are codominant, which means they each have an equal amount of dominance, allele O, however, is recessive.
The numerous blood types are created by various combinations of these three alleles, which can be the A, B, AB, and O blood group of John.
Therefore, John has types A, B, AB, and O depending on the alleles depending on the allele inherited from his parents.
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An uncovered pot of water lies out in the sun. Which statements correctly describe what happens at the surface of the liquid water?
Answers
When an uncovered pot of water lies in the sun, the water undergoes evaporation and potentially reaches a point of equilibrium with condensation when the air is saturated. Water's high surface tension and ice's lower density than liquid water play pivotal roles in Earth's ecosystems.
An uncovered pot of water lying in the sun undergoes several changes on the surface due to energy from the sun. Initially, as the water absorbs heat, it will begin to evaporate, turning from liquid into water vapor. This process decreases the water level in the pot. Over time, the rate of evaporation will be balanced by the rate of condensation, which is when water vapor turns back into liquid water. This balance is achieved when the air above the water becomes saturated with water vapor.
Furthermore, liquid water possesses a high surface tension, which helps it to form droplets and adhere to surfaces. This property, in combination with capillary action, is essential for the upward transport of water in plants and soil. As for solid water, or ice, its lower density compared to liquid water means that it floats, an important factor in the survival of aquatic organisms in cold climates.
The water cycle is demonstrated as a continuous open system in which water gains and losses occur. Water is gained from the outgassing of the earth's crust, while losses happen when hydrogen from water molecules in the gaseous state escapes the earth's gravity and is lost to space due to the energy from sunlight.
Based on Bill Nye's video on Biodiversity, Help plz!!!
1. All environments on Earth are crowded with ___________________________
2. Healthy ecosystems contain both ______________ and _____-________________ parts.
3. Describe what Bill Nye was trying to demonstrate by removing some of the blocks in his tower of blocks.
4. What does the expression “You pick a flower without jiggling a star” say about ecosystems?
5. In “Consider the Following,” Bill Nye makes a special request to not spread out our development projects. WHY?
6. Name at least two (2) species that have gone extinct.
7. The “best way to wipe out a species” is to change its ______________________
8. The largest ecosystem in the world iis ___________________, where (how many) ____________ of all species live.
9. Name five (5) things you can do to guarantee biodiversity.
10. Of the 30,000,000 speices on Earth, how many are lost each HOUR? _________
11. In conclusion, Bill Nye states that “As more and more species disappear, it’s harder and harder to keep and ecosystem in balance because we don’t know WHAT?
12. To keep our ecosystem healthy, we must keep our ____________________
Page 21: This is a summative grade.
1. How many species go extinct every day?
2. Does species diversity follow any patterns?
3. What is a biodiversity hotspot?
4. Why are so many species disappearing?
5. How is biodiversity measured?
6. What is biodiversity?
7. What are the world’s rarest species?
8. How many species go extinct every day?
Answers
Answer:
Explanation:
life living,non-livingMany species are going extinct, and their loss affects the balance of other living thingseverything effects everything elsetry limiting our impact on the environmentdodo bird , passenger pigeon natural habitatthe ocean , 2/3buying Eco friendly appliances , recycle as much as we can , reuse products , reduce buying products that pollute17we don't know that species are needed for our survivalbiodiversity1. 150 2. The diversity of species is lowest at the poles and increases toward the equator, with the deserts being obvious exceptions.3. biographic region of significant biodiversity 4. because of the changes caused to earth5.through species richness and the number of species in a given area6.the variety of plant and animal life in the world or in a particular habitat7. Giant otter, black-footed ferret8.150Why are cnidaria so significant to the animal kingdom?
Answers
Answer:
1. They provide home and shelter for millions of species of marine organisms.
2. They play a role as nutrient recyclers and in carbon and nitrogen fixation.
3. They are vital in the marine food chain as they are the main source of essential nutrients.
Explanation:
Cnidarians are extremely ecologically important organisms that play a significant role in the animal kingdom and nature.
For instance, coral reefs, which are built by hundreds to thousands of cnidarians, provide home and shelter for millions of species of marine organisms, from small crustaceans to large fish such as sharks. Furthermore, they play a role as nutrient recyclers and in carbon and nitrogen fixation. In addition, they are vital in the marine food chain as they are the main source of essential nutrients such as nitrogen.
Today, these organisms are threatened due to human activities and anthropogenic climate change, so it is fundamental to develop better strategies to protect and restore them.
The planetary model _____. shows electrons in a cloud is difficult to draw on paper compares electrons to planets is the most recent atomic model
Answers
Answer:
compares electrons to planets
Explanation:
I took quiz and its right.
contrast the chromosome number in gametes and zygotes in sexual reproduction into your answer in the space provided
Answers
Answer:
Chromosome number in gametes- haploid (n)
Chromosome number in zygote- diploid (2n)
Explanation:
Sexually-reproducing organisms make use of gametes to reproduce. The gametes are produced via the process of meiosis, which is a cell division that results in daughter cells (gametes) that have their chromosomal number reduced by half. A diploid (2n) organism i.e. possess two set of chromosomes undergoes meiosis to produce haploid (n) gametes i.e. contains one set of chromosomes. The male parent produces haploid sperm while the female parent produces haploid egg.
During reproduction, these haploid gametes (sperm and egg) combine in a process called FERTILIZATION to produce a diploid ZYGOTE. The diploid zygote then divides and grows into the full organism. Hence, since a zygote is formed by the fusion of two haploid gametes (sperm and egg), it contains a diploid chromosome number i.e. sperm (n) + egg (n) = zygote (2n)
The diagram below shows a simple food chain. (With pictures)
Answers
Answer:
The Owl (c)
Explanation:
Owls usually eat mice so it would be a competition for the coyote.
Answer:
The owl
Explanation:
Smallpox is a virus that causes a rash that then turns into painful blisters. The last known case of smallpox was in 1977. What is
the best explanation for the eradication of smallpox?
People are exercising more than they used to.
Genetic testing determines who is more prone to smallpox.
There was an increase in antibacterial products.
An effective vaccine was developed.
Save and Exit
Submit
Mark this and retum
Answers
Smallpox is a virus that causes a rash that then turns into painful blisters. The last known case of smallpox was in 1977. smallpox was eradicated when a vaccine was developed against it.
What is smallpox?The variola virus (smallpox virus) first appeared thousands of years ago and began causing illness and death in human communities, with smallpox epidemics occurring on a regular basis.
How was smallpox eradicated by the vaccine?The first successful vaccination was Edward Jenner's smallpox vaccine, which was launched in 1796. He discovered that milkmaids who had previously contracted cowpox were immune to smallpox, and that injected vaccinia protected against inoculated variola virus.Jenner scratched fluid from a cowpox blister into the skin of an eight-year-old boy named James Phipps. James had a single blister on the location, but he recovered quickly. Jenner inoculated the boy with smallpox particles again on July 1, but no sickness developed. The vaccine was effective.learn more about Smallpox here:
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The best explanation for smallpox eradication is the development of an effective vaccine, not increased exercise, genetic testing, or antibacterial products.
The smallpox vaccine, created by Edward Jenner in the late 18th century, was a groundbreaking medical advancement that played a pivotal role in eliminating the disease.
Unlike the other options provided, the success in combatting smallpox was not due to increased exercise, genetic testing, or an uptick in antibacterial products.
Exercise, while beneficial for overall health, is not a direct factor in smallpox eradication.
Genetic testing, though crucial for understanding susceptibility to certain diseases, wasn't the primary strategy for smallpox control.
Similarly, an increase in antibacterial products doesn't address the viral nature of smallpox.
The global smallpox eradication campaign, led by the World Health Organization (WHO), involved mass vaccination efforts and targeted interventions.
The vaccine's efficacy led to the interruption of transmission chains, ultimately resulting in the last known case in 1977.
The comprehensive vaccination strategy and international collaboration demonstrate the significant impact a well-developed vaccine can have in eradicating a deadly infectious disease, marking smallpox as the first human disease to be eradicated through intentional efforts.
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What is the inheritance pattern in which
| both alleles are expressed?
Answers
Answer:Codominance, as in human blood type, is a form of inheritance in which both alleles are expressed equally in the phenotype of the heterozygote.
Explanation:
The inheritance pattern where both alleles are expressed is known as codominance, distinct from Mendelian inheritance, with human blood type AB being a classic example.
The inheritance pattern in which both alleles are expressed is called codominance. In this genetic scenario, unlike the Mendelian dominance-recessive relationships, both alleles contribute to the offspring's phenotype. An example of codominance is seen in human blood types, where both A and B alleles are expressed, resulting in AB blood type.
Another form of non-Mendelian inheritance is incomplete dominance, where the phenotype is intermediate between the two parents, like wavy hair resulting from one curly hair allele and one straight hair allele. However, these should not be confused with dominant lethal inheritance patterns, which result in an allele being lethal both in the homozygote and the heterozygote. Dominant lethal alleles can only be transmitted if the lethality phenotype occurs after reproductive age.
Why aren’t the cecropia trees growing and thriving?
Answers
Answer:
Cecropia trees in the rain forest ecosystem make their
own food. Like all plants, they use energy from the sun
to turn carbon dioxide and water into food molecules.
They change these food molecules into molecules that
build their bodies or release energy. The cecropia trees
must not be getting the sunlight, water molecules, or
air molecules that they need to grow and thrive.
BRING WATER TO AFRICA
How many grams of carbohydrates would you take in if you split this shake with a friend if the carbohydrates is 193g?
Answers
Answer:
If you split it perfectly even it should be 96.5g
Explanation:
193 divided by 2 equals 96.5
To find out the grams of carbohydrates each person would take in if the shake is shared with a friend, divide the total grams by the number of people. In this case, each person would take in approximately 96.5 grams of carbohydrates.
Explanation:To find out how many grams of carbohydrates each person would take if the shake is split with a friend, you need to divide the total grams of carbohydrates (193g) by the number of people sharing the shake. In this case, you are sharing it with one friend, so you would divide by 2.
193g / 2 = 96.5g
So, each person would take in approximately 96.5 grams of carbohydrates when splitting the shake.
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Which items are kingdoms? Check all that apply.
Plantae
Archaebacteria
Animalia
Eukarya
Eubacteria
Protista
Fungi
Bacteria
Answers
Answer:
Plantae
Archaebacteria
Animalia
Eubacteria
Protista
Fungi
Explanation:
Final answer:
In the list provided, the items that are kingdoms include Plantae, Archaebacteria, Animalia, Eubacteria, Protista, and Fungi. Bacteria is often synonymous with the Kingdom Monera, specifically Eubacteria, while Eukarya is a domain, not a kingdom.
Explanation:
The kingdom level is a high taxonomic rank in the biological classification system. The kingdoms that are part of modern taxonomy include: Kingdom Animalia, Kingdom Plantae, Kingdom Fungi, Kingdom Protista, and Kingdom Monera (often divided into Archaebacteria and Eubacteria). Therefore, in the list provided, Plantae, Archaebacteria, Animalia, Eubacteria, Protista, and Fungi are all kingdoms. Although not traditionally considered a kingdom of its own, Bacteria is often used synonymously with the Kingdom Monera, specifically referring to the Eubacteria. The term Eukarya does not represent a kingdom; instead, it is a domain that encompasses the four eukaryotic kingdoms: Animalia, Plantae, Fungi, and Protista.
Which of the following is not part of the circulatory system?
A: arteries
B: stomach
C: heart
D: veins
Answers
Answer:
Stomach
Explanation:
Well, why would the stomach be a part of the circulatory system? The circulatory system is responsible for moving blood and nutrients through the body. Blood is pumped from the heart, into arteries, and back into the heart through veins.
Final answer:
The stomach is not part of the circulatory system, which includes arteries, the heart, and veins.
Explanation:
Of the choices provided, B: stomach is not part of the circulatory system. The circulatory system consists of organs and systems responsible for the flow of blood, nutrients, hormones, oxygen, and other gases to and from cells. Specifically:
Arteries are blood vessels that carry blood away from the heart.
The heart is the pump that circulates blood throughout the body.
Veins are blood vessels that carry blood to the heart.
The stomach is involved in the digestive system, where it breaks down food, rather than the circulatory system.
define resolving power of a microscope
Answers
Which BEST describes why the hatchet fish has been able to survive?
It has eaten and eliminated smaller fish.
It has multiplied faster than other marine life.
It has occupied the largest area.
It has adapted to feed on available food.
Answers
Answer:
It has adapted to feed on available food.
Explanation:
Answer:
IT HAS ADAPTED TO FEED ON AVAILABLE FOOD
Explanation:
Which statement describes the relationship between
diagram X and Y?
O Gravity attracts only larger objects toward one another.
O Gravity attracts larger objects only if they are close to
one another.
If the masses of the objects increase, then the force
between them also increases.
Answers
Answer:
the correct answer is
The diagrams show objects' gravitational pull toward each other. Which statement describes the relationship between diagram X and Y? If the masses of the objects increase, then the force between them also increases.
Explanation:
hope this helps u!!
Answer:
C- If the masses of the objects increase, then the force between them also increases.
Explanation:
i just did the test and got it right!!
A human baby is born with two X Chrosomes what must be true about this baby
Answers
Answer:
It's a female
Explanation:
typhus is:
A) treated with antibiotics
B) can be prevented with a vaccine
C) is most common during the spring and summer
D) all of the above
Answers
Answer:
A) treated with antibiotics
Explanation:
typhus is a bacterial disease, there is currently no available vaccine so that eliminates all but A.
Identify how the physical barriers of the immune
system protect the body against pathogens.
Check all that apply.
•your nose produces oil to keep pathogens
from entering the body through your nose
•skin contains tightly packed cells
•skin is tough, flexible, and waterproof
•your cough when a pathogen enters your
mouth
•you sneeze when a pathogen enters your
nose
Answers
Physical barriers of the immune system protect the body against pathogens by preventing their entry or flushing them out. The skin, mucous membranes, and reflexes like coughing and sneezing are important physical barriers.
Explanation:The physical barriers of the immune system protect the body against pathogens by preventing their entry or trapping and flushing them out of the body. The skin, which is tough, flexible, and waterproof, acts as a mechanical barrier. It contains tightly packed cells that are difficult for pathogens to penetrate. The mucous membranes in body openings like the nose and ears have hairs and cilia that trap pathogens and move them out of the body. In addition, the nose produces oil that helps prevent pathogen entry, and coughing and sneezing are reflexes that expel pathogens when they enter the mouth or nose, respectively.
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Which hemisphere controls non-verbal processing including spatial, musical, and visual tasks?
Answers
Answer:
The left hemisphere controls verbal processing, including reading, writing, and speech. The right hemisphere controls nonverbal processing, including spatial, musical, and visual tasks. The frontal lobe is responsible for speaking, muscle movements, and making plans and judgments.
Explanation:
Many children were paralyzed by polio in the 1950s. Today, polio has been reduced by 99 percent. Which statement best explains how this disease has been almost eradicated?
A) Independent behavior helps humans live self-sufficiently and solve their own problems.
B) human communities use their ecosystems in creative ways.
C) human communities are learning to live with less money and fewer possessions.
D) Group behavior helps humans cooperate in order to accomplish large, complex tasks.
Answers
Answer:
D
Explanation:
Answer:
B
Explanation:
The people are using their own ideas to help.
is the crus at a mid ocean ridge young or old?
Answers
Answer:
young
Explanation:
Most crust in the ocean basins is less than 200 million years old, which is much younger than the 4.54 billion year age of the Earth. This fact reflects the process of lithosphere recycling into the Earth's mantle during subduction.
Answer: Young
Explanation: Most crust in the ocean basins is less than 200 million years old, which is much younger than the 4.54 billion year age of the Earth.
Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
arteries
atria
capillaries
veins
Answers
Ventricles pump blood out of the heart, and the types of vessels that will be the first to contact the blood from the ventricles are arteries. This is the first option, as after the ventricles contract, blood is pumped out of the heart through the pulmonary artery.
What is the heart and ventricles ?The heart has four chambers: two atria (upper chambers) and two ventricles (lower chambers). Blood flows into the atria from the veins and then flows into the ventricles. The right ventricle pumps blood to the lungs through the pulmonary artery, while the left ventricle pumps oxygen-rich blood to the rest of the body through the aorta.
Arteries are blood vessels that carry blood away from the heart. They are thick-walled and muscular, with elastic fibers that allow them to withstand the high pressure generated by the pumping action of the heart. Arteries branch out into smaller arteries and arterioles, which eventually lead to capillaries.
Hence, the ventricles pump blood out of the heart, and the types of vessels that will be the first to contact the blood from the ventricles are arteries. This is the first option.
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The Punnett square shows the possible genotypes of the offspring of two pea plants that are heterozygous for seed color.
What is the genotype for each square?
A:
B:
C:
D:
Answers
Answer:
a-YY
b-Yy
c-Yy
d-yy
Explanation:
In an ecosystem, organisms compete for different resources. Intraspecific competition occurs when there’s competition for resources between members of the same species. What do you think the word interspecific refers to? Give an example with your explanation.
Answers
Answer:
Interspecific competition refers to competition between members of different species. For example, several species of flowering plants compete to attract pollinating insects, such as bees, for successful reproduction.
Explanation:
answer from Plato
The ecosystem is defined as the geographic region, in which plants, animals, and other organisms work together to live and survive.
In an ecosystem, intraspecific and interspecific competition is seen for food, shelter, and habitat.
Intraspecific competition is defined as the competition between organisms belonging to the same species. The organism fight for shelter and food.
Interspecific competition is defined as the rivalry or competition in organisms of different species living in the same ecosystem.
For example, the competition between woodpeckers and squirrels is a type of interspecific competition. Both the organisms fight for shelter and create holes in the trees.
Thus, intraspecific refer to the rivalry among organisms of the same species, whereas the competition between the organisms of different species in an ecosystem is interspecific.
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