There are two types of pea plants: those that produce round seeds and those that produce wrinkled seeds. A single gene controls which type of seed a pea plant will produce.

An experiment shows that pea plants containing an allele for round seeds will always produce round seeds.

Based on this information, we can conclude that the allele for round seeds in pea plants is _______.

Answers

Answer 1
We can conclude it is dominant since it says that it will "always" produce the round seeds. Dominance always has a great impact of one of the genes. In this example that greater gene is the round seeds in the pea plants. 

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Related Questions

The survival of a species depends on its ability to adapt to changes in the environment. A species must be capable of surviving and reproducing despite changes to food sources, climate, or threats from predators. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?

Answers

Final answer:

Mutations introduce new genetic variations which can enable species to adapt to environmental changes. Some mutations could be beneficial, enhancing survival, and thus spread through the population. Coevolution occurs as species continuously adapt in response to each other's adaptations.

Explanation:

Mutations refer to changes in an organism's DNA and function as a significant driver in their diversification. Species evolve because of the accumulation of these mutations over time. This process brings forth new genotypic and phenotypic variation. Some mutations may be harmful and thus are quickly expunged from the population through natural selection. However, others can be highly beneficial and thus proliferate through the population. A mutation's value is determined by its potency to aid an organism to survive until sexual maturity and then reproduce. In changing environments, this dynamic plays out in beneficial ways. For instance, new combinations of genes can enhance survival during environmental changes, and sexual reproduction can result in diverse phenotypes which enhance a population's survival in a shifting environment. This phenomenon helps to keep a balance in the evolutionary 'race', where organisms are continuously adapting in response to each other's adaptations, ultimately leading to coevolution.

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which type of wetland is known for its wet, acidic soil that has low levels of oxygen
a.swamp
b. bog
c. beach
d. marsh

Answers

The answer is B, or bog.

Answer: b. bog

A wetland is an ecosystem that is occupied with water either permanently or seasonally. The wetlands are distinguished from other lands or water bodies depending upon the vegetation growing here. Bog is a type of wetland. It is characterized by wet, acidic and low oxygenated soil.  The soil accumulates organic material with less organic matter decay as decomposition rate is slow in these soils.

Tissue in the central canal of bone that consists chiefly of fat cells is called

Answers

Yellow bone marrow is the tissue in the central canal of bone that consists chiefly of fat cells. Yellow bone marrow produces fat cells, cartilage, and bones. It acquires the yellow color by carotenoids in the fat droplets and it arises from the conversion of the red bone marrows which occurs with age.






What is one of the most important ways in which the organisms interact?

Answers

what ways do organisms interact?-competition, predation, cooperation, symbiosis
-Competition: between same and different kinds of organisms, competes for available resources (food, light)
-Predation: between different kinds of organisms, hunt and kills each other in order to supply their energy (shelter)
-Cooperation: between same organisms, lives together and helps each other out (mates)
-Symbiosis: between different kinds or organisms, lives in close association with another kin of organism (space/territory)
Competition and predation are one of the most important ways in which organisms interact

Tansley's experiments with bedstraw (galium) showed that when two closely related species of bedstraw are grown together,

Answers

bedstraw in its preferred soil type is always the superior competitor.

Why would the group of 10 environmental organizations be criticized?

Answers

For the answer to the question above, I think the answer is that "they tend to compromise and cooperate with the establishment" that's why
the group of 10 environmental organizations is criticized.
I hope my answer helped you. Have a nice day!

A phenomenon known as bleaching occurs on corals and sponges. algae live within these organisms, and normally provide food for them through photosynthesis. in a bleaching event, the organism releases the algae and therefore loses its color. scientists have found that this occurs when the organism is under stress. is the mechanism for ejecting algae likely to be the same in sponges and corals. why or why not?

Answers

For the answer to the question above, I think No. The mechanism isn't more likely to be the same since corals have these tissues and has a fully functioning nervous system that controls responses in these organisms, while sponges only react cell by cell.

A mutation in a dna strand is least likely to affect the cell when the mutation:

Answers

A mutation is least likely to affect a cell when the mutation reverses the order of bases in a DNA strand.

A mutation is least likely to affect a cell when the mutation is reverses the order of bases in a DNA strand. when the total number of bases in a DNA sequence remain the same. Replaces a base with its complementary base and produces a codon which codes for the same amino acid as the original codon.

​which term means enlarged and swollen veins at the lower end of the esophagus?
a. ​varicose veins
b. ​hiatal hernia
c. ​esophageal varices
d. ​inguinal hernia

Answers

Final answer:

Esophageal varices are enlarged and swollen veins at the lower end of the esophagus, often associated with liver cirrhosis. Treatment options include medications, endoscopic procedures, or surgery.

Explanation:

Esophageal varices refer to enlarged and swollen veins at the lower end of the esophagus. These swollen veins are a serious complication of liver cirrhosis, where blood flow through the liver is obstructed, leading to increased pressure in the veins of the esophagus.

For example, when the hepatic portal vein is obstructed due to cirrhosis, blood from the digestive organs backs up and flows into smaller veins of the esophagus, causing them to swell and become varicose.

Esophageal varices can be life-threatening if they rupture, leading to severe bleeding. Treatment involves reducing the pressure in these veins through medications, endoscopic procedures, or surgery.

Question 5 Unsaved
Messenger RNA carries a(n) ___________ of the DNA’s instructions out of the nucleus to the ___________.



Question 5 options:

transcript : ribosome


exact copy : ribosome


transcript : mitochondria


exact copy : mitochondria

Answers

transcript : ribosome

Answer:

Messenger RNA carries a(n) transcript of the DNA’s instructions out of the nucleus to the ribosome.

Explanation:

so it's (A

When recording blood pressure the smaller bottom number is the systolic pressure true?

Answers

The answer is not true.
Blood pressure is the pressure of blood on the walls of blood vessels. The blood pressure is expressed via the systolic pressure (the highest pressure during one heartbeat) over diastolic pressure (the lowest pressure in between two heartbeats) . It is measured in millimeters of mercury (mmHg), the upper number represents the systolic pressure and the other, bottom one is diastolic.

The statement In blood pressure measurements, the smaller bottom number is the diastolic pressure, not the systolic pressure is not true .

Blood pressure is typically recorded as a fraction, where the top number is the systolic pressure, and the bottom number is the diastolic pressure. For example, a blood pressure reading might be expressed as "120/80 mm Hg."

Systolic Pressure: This is the higher number and represents the pressure in the arteries when the heart is contracting or beating.

It reflects the force of blood against the artery walls during the heart's pumping phase.

Diastolic Pressure: This is the smaller bottom number and represents the pressure in the arteries when the heart is at rest between beats.

It indicates the minimum pressure in the circulatory system, and it reflects the resistance of the blood vessels when the heart is not actively pumping.

So, when you see a blood pressure reading, the systolic pressure is the larger top number, and the diastolic pressure is the smaller bottom number.

Both numbers are important for assessing cardiovascular health. An ideal blood pressure reading is typically considered to be around 120/80 mm Hg, but the specific target may vary based on individual health factors and guidelines.

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the light that humans can perceive with the eye is _______ light.

A:Ultraviolet 
B:infrared 
C:Visible 
D:Gamma

Answers

The answer is C. Ultraviolet light cannot be perceived by the eyes neither can Infrared or Gamma light.

How much weight should a teen gain during pregnancy?

Answers

Answer:

It depends on the weight of teen before getting pregnant.

25 to 35 pounds should be weight gain for average weight girl , for underweight girl it should be 28 to 40 pounds and 15 to 25 pounds for overweight girl.

Explanation:

Nutrition , exercise is must for healthy teen pregnancy. All essential vitamins , minerals iron , calcium , folic acid should be in the diet. Low intake of essential diet leads risk of low weight of  baby , also may be other health complications. Alcohol, smoking , drugs should avoid during pregnancy.

During pregnancy, recommended weight gain for a teenager depends on their pre-pregnancy BMI, with normal weight individuals advised to gain 25-35 pounds.

During pregnancy, a mother's body undergoes significant changes, one of which is weight gain. The recommended weight gain depends on the mother's pre-pregnancy BMI. For teenagers of normal pre-pregnancy weight, the typical recommended weight gain is about 25 to 35 pounds.

Underweight (BMI below 18.5): Gain 28-40 poundsNormal weight (BMI 18.5-24.9): Gain 25-35 poundsOverweight (BMI 25.0-29.9): Gain 15-25 poundsObese (BMI 30 or higher): Gain 11-20 pounds

This weight gain supports both the development of the fetus and various physiological changes in the mother's body.

A ________ diet restricts or eliminates foods that are hard to chew and swallow.
a. high-residue or high-fiber
b. clear liquid or full liquid
c. soft or mechanical soft
d. bland

Answers

C. Soft or mechanical soft

The most effective way to protect groundwater resources is to ____.

Answers

FIX THE DRIP OR MANAGE WASTE.

explain how natural selection could lead to a change in allele frequency

Answers

Natural selection could contribute to a species letting a genotype become more dominant because it benefits their survival.

Final answer:

Natural selection can lead to changes in allele frequency when certain alleles provide a survival or reproductive advantage, resulting in beneficial alleles becoming more common, while disadvantageous alleles become less frequent.

Explanation:

Natural selection can lead to a change in allele frequency through the differential reproduction of individuals with certain traits. When individuals in a population have alleles that confer advantageous traits, they are more likely to survive and reproduce, passing these alleles on to the next generation. Consequently, these beneficial alleles become more common within the gene pool.

For example, let's consider the famed case of the peppered moth's coloration. Initially, most peppered moths had mottled white wings, but during the Industrial Revolution, trees became covered with soot. Moths with darker wings were less visible to predators and therefore survived longer and reproduced more. The allele for dark wing coloration increased in frequency over time. After environmental clean-up efforts, trees became cleaner again, and the mottled white allele regained prevalence as these moths had a survival advantage once more.

In summary, as certain alleles become favorable in the environment, they allow individuals to have more offspring who inherit the alleles, and over time, this can lead to these alleles increasing in frequency. Conversely, alleles that provide a disadvantage decrease in frequency.

_____ is characterized by increased ocular pressure

Answers

The answer is glaucoma.

During the second and third trimesters, the daily caloric needs of a pregnant woman increase by as much as

Answers

2nd and trimester So On

2 parents with the gg have what percentage of producing offspring with that trait

Answers

Assuming both parents are gg it will be a 100% chance

Which describes a metaphase plate? sister chromatids lining up in the center of the cell parent cells dividing into two daughter cells spindle fibers pinching the cell membrane in half centromeres joining sister chromatids together?

Answers

Metaphase plate refers to sister chromatids lining up in the center of the cell. This event occurs during the metaphase of the cell division and it is the indication of this phase. Metaphase plate is a moment when all of the chromosomes organize, line up literally in a row and after that begin to separate. It is an important step because allows the cell to assemble and then divide the chromatids.

sister chromatids lining up in the center of the cell.

Veins carry stale blood there is one exception which veins are the exception

Answers

The pulmonary veins are the exceptions.  

The pulmonary veins are the veins that are part of pulmonary circulation and those veins transfer oxygenated blood from the lungs to the heart.  Two veins, one from each lung transport the blood to the left atrium of the heart.
I believe, the exception to stale blood veins are the pulmonary veins. These veins carry oxygenated blood from the lungs to the heart. They carry blood that is rich in oxygen to the heart, which is then pumped to all parts of the body through the aorta. All the other veins carry blood back to the heart after oxygen has been delivered to the various body parts. 

Which of the following statements is TRUE about molecules getting from the digestive tract to cells of the brain and cells of the skin?

Answers

I think the best answer would be that Molecules from food get to cells of the brain by way of the circulatory system, but molecules from food do not get to cells of the skin by way of the circulatory system. The brain is supplied by four arteries; two carotid arteries and their branches which comprise the anterior circulation and the two vertebral arteries comprise the posterior circulation. 

Life-cycle analysis is useful because energy and environmental hazards are associated with

Answers

Production, transport, use and disposals

which hormone is required to maintain the corpus luteum and prevent menstruation?

Answers

The correct answer is hCG.
The corpus luteum is a hormone-producing structure in female ovaries which is responsible for establishing and maintaining pregnancy in females. It is formed in every menstrual cycle and one of its important responsibilities is to secrete progesterone. If fertilization occurs, the hormone human chorionic gonadotropin (hCG) is released in order to signal the corpus luteum to keep secreting progesterone and create the necessary conditions for the zygote to develop. 

How do nutrients get to the cells in a flatworms solid acoelomate body?

Answers

The nutrients get to the cells in a flatworms solid acoelomate body by diffusion process. Flatworms feed primarily on protozoa and bacteria, smaller worms and tiny organisms, dead or alive, that they come across. Based on the species of the flatworms , they also consume plant materials. They rely on diffusion to transport oxygen and nutrients to their internal tissues.

Compare hookworms and ascaris worms, include both similarities and differences

Answers

Scientists study both the flatworm Planaria and the roundworm Caenorhabditis elegans in laboratories, using them as test subjects, and while they may seem similar, they have some distinct internal and external differences. Flatworms (phylum Platyhelminthes) and roundworms (phylum Nematoda) differ in shape, means of locomotion, how their digestive systems function, and in the ways they are harmful to human beings. While both species are called worms, they are not closely related.


A female client is at risk for developing osteoporosis. which action will reduce the client's risk?

Answers

Actions that will reduce the client’s risk of having osteoporosis are; consuming a balanced diet with adequate calcium and vitamin D, having weight-bearing exercise regularly, reducing alcohol intake, quitting cigarette smoking, and using medications such as teriparatide to increase bone formation.




What is the difference in structure of the antennae and antennules?

Answers

Final answer:

The main difference between antennae and antennules is that antennae are single, primary sensory appendages found on insects, while antennules are a secondary pair of sensory appendages found in crustaceans. Antennae are typically used for chemical sensing and sometimes sound detection, whereas antennules may be involved in more specific functions like detecting water pressure or balance.

Explanation:

The terms antennae and antennules often refer to the sensory appendages found in various arthropods, including insects and crustaceans. In insects, antennae are a pair of long, thin sensory organs located on the head, used primarily for smelling and tasting chemicals, but can also be adapted for detecting sound. These antennae can come in various shapes and sizes, serving different sensorial modalities depending on the insect species. For example, butterflies and bees utilize their antennae not only to sense chemicals but also to aid in navigation as they can detect color.

In crustaceans, antennules serve as an additional pair of sensory appendages besides the main antennae. Crustaceans typically have two pairs of antennae: the first pair are the antennules, which are often smaller and sometimes carry out more specific and sensitive functions, such as detecting changes in water pressure or balance for aquatic species, while the second pair are the larger antennae mainly used for chemical detection and touch. This distinction is part of what typifies the different body structures between crustaceans and insects.

It's also important to note that insects exhibit a wide range of specialized external structures adapted to their environment and lifestyle, such as different types of mouthparts for various feeding habits and compound eyes for vision. An example of this diversity is seen when comparing the standard fruit fly to the Antennapedia mutant, which has legs on its head instead of antennae, highlighting the role of genetics in the formation of these appendages.

Antennae and antennules are both appendages found on the heads of arthropods, particularly crustaceans and insects, and they serve sensory functions. However, they differ in their relative size, position, and specific sensory roles.

The correct explanation of the difference in structure between antennae and antennules is as follows:

Antennae are typically the larger of the two and are usually located on the second segment of the head, behind the eyes. They are often segmented and can be quite long, providing a large surface area for sensory reception. Antennae are used for detecting touch, air currents, humidity, and various chemical signals. In insects, they are also important for the detection of pheromones, which are crucial for communication and mating behaviors.

Antennules, on the other hand, are smaller and are located in front of the antennae, often between the eyes. They are usually less segmented than antennae and are more specialized for chemoreception, allowing the organism to taste and smell its environment. In aquatic crustaceans, such as crabs and shrimp, antennules are particularly important for detecting dissolved chemicals in the water, which can signal the presence of food, predators, or potential mates.

In summary, the key differences are:

1. Position: Antennules are positioned in front of the antennae, closer to the mouthparts.

2. Size: Antennules are generally smaller than antennae.

3. Segmentation: Antennules are typically less segmented than antennae.

4. Function: While both structures have sensory functions, antennules are more specialized for chemoreception, and antennae are more versatile, involved in detecting a broader range of stimuli including mechanical and chemical signals.

These structural differences reflect the specialized roles that antennae and antennules play in the sensory ecology of arthropods.

When two homozygous plants with contrasting traits are crossed, what are the exoected genotypes for the offspring?

Answers

If two homozygous plants with contrasting traits are crossed, the expected genotypes for the offspring will be heterozygous. The dominant trait would be expressed, but they'd be carriers for the recessive trait.



The two same allele plants with contrasting traits are crossed, the expected genotypes for the offspring - heterozygous with the dominant phenotype.

The plants will have the same allele genotype for both of their chromosomes. In other words, Let assume "b" is a recessive allele for a trait and B for a dominant trait then, one plant will have the genotype "BB", and the other will have "bb."

Now, there will only be an expected genotype with these, and that would be "Bb." To find this, you must put the genotypes in a punnet square and calculate the different genotypes.

    T     T

t    Tt    Tt

t    Tt     Tt

The B is dominant over the b, so in this case, the offspring plant will have a heterozygous for both traits

Thus, The two same allele plants with contrasting traits are crossed, the expected genotypes for the offspring - heterozygous with the dominant phenotype.

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What are the three main parts of a typical cell? (select all that apply.)?

Answers

Cell membrane, Nucleus, and Cytosol/Cytoplasm
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