A genetic study conducted over two generations found that the frequencies of genotypes in the first generation were aa: 0.36, aa: 0.48, aa: 0.16. in the second generation, genotype frequencies remained the same. according to hardy–weinberg equilibrium, what can we assume?

Answers

Answer 1

For the genotypic frequency to remain the same over generations, then according to Hardy-Weinburg, the following five assumptions are presumed;

1.       That the population is large enough for sampling hence there is no genetic drift

2.       Natural selection is not acting on the population

3.       No gene flow between the population being studied with another population occurred either through migration etcetera

4.        No/negligible mutations occurred

5.       Mating between individuals of the population is occurring randomly



Related Questions

The treatment of gout involves managing the acute inflammatory stage, preventing flare-ups, and controlling hyperuricemia. select the agent of first choice when an acute inflammatory attack begins. colchicine aloprim anturane benemid

Answers

I think the best agent of choice in this case is Colchicine. Gouts is a form of  arthritis caused by excess uric acid in the bloodstream. The symptoms are due to the formation of uric acid crystals in the joints and the body's response to them. Colchicine along with indomethacin, ibuprofen, or a corticosteroid is prescribed to relieve an acute attack of gout. Benemid and Anturane increase the urinary excretion of uric acid, and Aloprim breaks down purines before uric acid is formed.

Mrs. ramirez was admitted to the hospital for wrist surgery secondary to rheumatoid arthritis. postoperatively, she is stabilized and transferred to the general surgery unit. mrs. ramirez's medications include digoxin, lasix, captopril, synthroid, aspirin, protonix, and prednisone. when administering morning medications, mrs. ramirez refuses her aspirin and prednisone, and the nurse holds the medications. over the next 3 days, mrs. ramirez continues to refuse the prednisone, and the medication is not administered. on the third postoperative day, mrs. ramirez becomes hypotensive, tachycardic, and has a decrease in level of consciousness. stat labs are sent for a complete blood cell count and chemistry panel, and the physician is notified of the change in patient status. on review of the patient's record, the physician notes that mrs. ramirez has not received her prednisone for 4 days. mrs. ramirez has been on prednisone for the past 5 years for her rheumatoid arthritis, and the physician begins to treat the patient for acute adrenal insufficiency.
a. what other clinical manifestations should the nurse monitor for with suspected adrenal insufficiency?
b. the physician orders a stat dose of iv hydrocortisone. what is the rationale for this medication in this situation?

Answers

(a) This is a case of iatrogenic cause of acute adrenal insufficiency and can present will signs and symptoms related to glucocorticoid insufficiency. Other clinical manifestations to be monitored are fatigue, weight loss, myalgia, fever, anemia, lymphocytosis, hypotension, and hyponatremia. 

(b) The first step in managing a case of acute adrenal insufficiency is immediate rehydration therapy with PNSS. The doctor gave a stat dose of IV hydrocortisone for replacing the lack of glucocorticoids to achieve physiologic levels of glucocorticoids in the body.

Answer:

a. The physician should also monitor the symtoms of tachycardic from the pacient

b. because the pation has been taken prednisone for the past 5 years and she has suspend it for 5 day that give the patient a reaccion

Explanation:

Lichen are often the first species to colonize an environment during primary succession. In general, the first species to colonize an environment is called…

A. A first order consumer

B. Primary succession

C. A pioneer species

D. Secondary succession

Answers

Hello,

Here is your answer:

The proper answer for this question is option C "A pioneer species". Which means they were the first the colonized!

Your answer is C.

If you need anymore help feel free to ask me!

Hope this helps!
the answer is C
I hope this helps

Describe how living conditions change for two tidal organisms

Answers

Final answer:

In the intertidal zone, organisms like barnacles and seaweeds adapt by cementing themselves to rocks or using holdfasts to avoid being washed away, while other organisms switch between anaerobic and aerobic respiration based on salinity levels.

Explanation:

Organisms in the intertidal zone face significant challenges due to the frequent shifts between aquatic and terrestrial environments, which include changes in temperature, salinity, and the possibility of being washed out to sea. For example, barnacles adapt by cementing themselves to rocks to resist the water's movement, while seaweeds use rootlike structures called holdfasts to anchor themselves firmly. In addition, some organisms, such as bivalves, cease feeding and switch to anaerobic respiration when exposed to low salinity and then resume feeding and aerobic respiration when the conditions become favorable again at high tide.

High tide provides shelter and feeding for barnacles, while crabs forage freely. During low tide, both face desiccation and predation risks.

Certainly! Let's consider two tidal organisms: barnacles and crabs, and how their living conditions change with the tides.

1. Barnacles:

  During high tide, barnacles are submerged in water, allowing them to filter feed and gather nutrients from the surrounding water. The water provides them with protection from predators and ensures they have access to food.

  However, during low tide, barnacles are exposed to the air. This can be challenging as they are at risk of desiccation (drying out) and predation. To combat this, barnacles have developed adaptations like closing their shells tightly to retain moisture and reducing metabolic activity until the tide returns.

2. Crabs:

  High tide provides crabs with ample opportunities for foraging and hunting as they can move freely in the water. The higher water levels also offer them protection from terrestrial predators.

  Conversely, during low tide, crabs face different challenges. They may become stranded in tide pools or exposed on the shore, making them vulnerable to predators like birds and larger fish. To cope, crabs often seek refuge under rocks or burrow into the sand to stay moist and avoid predators until the tide rises again.

In summary, the living conditions for both barnacles and crabs fluctuate dramatically with the tides, presenting various challenges and opportunities that these organisms have adapted to over time.

Which interaction is most likely to result in the most competition among the organisms? Question options: Lions and vultures eat the remains left after a lion kill. Grasshoppers and caterpillars eat oak leaves. Sagebrush and cacti obtain light in the desert. Producers and scavengers eat deer carcasses. Need answer fast, only answer if you had this question on a quiz or test!

Answers

Answer:

grasshoppers and caterpillars eat oak leaves

Explanation:

i took quiz

The interaction most likely to result in the most competition among the organisms is "Grasshoppers and caterpillars eat oak leaves." as they both feed on the same food source.

What is Competition ?

In an organism-organism interaction known as competition, both parties vie for the same scarce resources. Intraspecific rivalry takes place between members of the same species, whereas interspecific competition takes place between members of different species.

In the given options, the interaction between lions and vultures eating the remains left after a lion kill is an example of interspecific competition. Both lions and vultures are competing for the limited resource, i.e., the remains of the prey, and thus, it can lead to a significant competition among the organisms.

On the other hand, the interaction between grasshoppers and caterpillars eating oak leaves is an example of intraspecific competition because the individuals of the same species are competing for the same resource.

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PLEASE HELP!!!
Which of the following is not involved in creating tropospheric ozone?


A) high temperatures

B) CFCS

C) sunlight

D) NO x

Answers

a and b high tempertures are required to create NO x

Your aging aunt luella has had a series of small strokes. these strokes can progressively damage her brain and are most likely to produce _____.

Answers

Final answer:

Small strokes can progressively damage the brain and produce various effects such as memory loss, speech changes, and psychological symptoms. Risk factors for strokes include old age, high blood pressure, diabetes, high cholesterol, and smoking.

Explanation:

When someone has a series of small strokes, they can progressively damage the brain and are most likely to produce disruptive memory loss, confusion about time or place, difficulty with planning and executing tasks, poor judgment, personality changes, slowed movements, balance and posture problems, rigid muscles, speech changes, and psychological symptoms such as dementia. The damage to the brain can cause deficits in functioning and eventually lead to severe effects such as a loss of the ability to speak, paralysis, and personality changes. The risk factors for strokes include old age, high blood pressure, diabetes, high cholesterol, and smoking.

How is mass spectrometry used for protein-protein interaction?

Answers

Mass spectrometry is used for protein to help build the muscle.

Select the statements about the k-t boundary that are true. select all that apply.

Answers

More details are required to answer the question.

The K-t boundary or the Cretaceous-Tertiary boundary signifies the beginning of the Tertiary and the end of the Cretaceous; sixty-five million years ago. The boundary can be observed in various locations across the globe and is a relatively thin layer of dust sediments with an abnormally high amount of iridium.
Iridium is a rare earth element and is only found in large amounts in asteroids. This knowledge led scientists to conclude that the debris deposited was caused by a massive asteroid impact.
The impact crater was eventually located and was found just of the coast of the Yucatan peninsula. The asteroid was over ten miles in diameter and this impact was thought to be instrumental in the extinction of the dinosaurs.
Final answer:

The k-t boundary is a boundary line in the Earth's geological record that separates the Cretaceous period from the Paleogene period. It corresponds to a mass extinction event, known as the K-T extinction event, that caused the extinction of dinosaurs and many other species. The boundary marks a significant decrease in the abundance of marine and terrestrial species, as well as a change in the composition of fossil assemblages.

Explanation:

The statements about the k-t boundary that are true are:

The k-t boundary is a boundary line in the Earth's geological record that separates the Cretaceous period from the Paleogene period.It corresponds to a mass extinction event, known as the K-T extinction event, that caused the extinction of dinosaurs and many other species.The boundary marks a significant decrease in the abundance of marine and terrestrial species, as well as a change in the composition of fossil assemblages.

Learn more about k-t boundary

This is one of the three components of a nucleotide that contains phosphorus.

Answers

Final answer:

The component of a nucleotide that contains phosphorus is the phosphate group. It plays a vital role in forming the backbone structure of nucleic acids and is involved in DNA replication and RNA transcription.

Explanation:

The component of a nucleotide that contains phosphorus is called the phosphate group. Nucleotides are the building blocks of nucleic acids, including DNA and RNA, and consist of three parts: a nitrogenous base, a sugar (deoxyribose in DNA and ribose in RNA), and a phosphate group. The phosphate group, which contains a phosphorus atom, is critical in forming the backbone structure of nucleic acids and is involved in the process of DNA replication and RNA transcription.

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The process of transferring the amine group from one amino acid to another is called

Answers

The answer is transamination. In addition, transamination is chemical reaction that transports an amino group to a keto acid to form new amino acids. This passageway is accountable for the deamination of most amino acids. The transamination in biochemistry is done by enzymes named transaminases or amino transferases.

Through the digestion system, water is mainly absorbed in the A. gallbladder. B. stomach. C. large intestine. D. small intestine.

Answers

I would say D. small intestine

If you want an explanation, here it is

After leaving the stomach, water is absorbed mostly in the early segments of the
small intestine, the duodenum, and the jejunum. A small portion of all water absorption occurs in the stomach and the colonthe small intestine absorbs 6.5L/day, whereas the colon absorbs 1.3L/day.

I believe the answer is C large intestine hope this helps good luck.

A nurse is caring for a client with bronchogenic carcinoma. which nursing diagnosis takes highest priority?

Answers

The priority is to maintain a patent airway. It should be monitored all times because it is the highest priority it may have obstruction by a tumor or secretions. So the first concern for the client that the client who has to compromise his airway is to maintain a patent airway.

Stars forming in molecular clouds tend to form first in the low-density periphery.
a. True
b. False

Answers

the answer is would b a true

The daily values (dv) on the nutrition facts panel of a food label differ from the dris. the dv for total fat for a 1,750-calorie diet is 65 g total fat. with rueben's one day intake in this menu, how did his fat intake compare to the dv?

Answers

Rueben's daily fat intake can be compared to the Daily Values by totaling the fat content of his consumed food and measuring it against the DV of 65 grams for a 1,750-calorie diet.

The student's question asks how Rueben's actual fat intake over one day compares to the recommended Daily Values (DV) for total fat, which is 65 grams for a 1,750-calorie diet. The % Daily Value on the Nutrition Facts panel helps consumers understand how much of a particular nutrient a serving of food contributes to their overall daily diet, based on a 2,000-calorie diet. In this scenario, without the specifics of Rueben's food intake, a general comparison cannot be made. However, by knowing the amount of fat in each food item Rueben consumed and adding it up to get the total fat intake, one can then compare that to the 65-gram total fat DV. If Rueben's intake exceeds 65 grams, it means his fat consumption is higher than the DV suggests for a diet of 1,750 calories. It's also important to note that the DV is a generalized recommendation and individual needs may vary.

When pathogenic fungi are found growing on the roots of grape vines, grape farmers sometimes respond by covering the ground around their vines with plastic sheeting and pumping a gaseous fungicide into the soil. the most important concern of grape farmers who engage in this practice should be that the _____. when pathogenic fungi are found growing on the roots of grape vines, grape farmers sometimes respond by covering the ground around their vines with plastic sheeting and pumping a gaseous fungicide into the soil. the most important concern of grape farmers who engage in this practice should be that the _____. sheeting is transparent so that photosynthesis can continue fungicide might also kill mycorrhizae fungicide might also kill the native yeasts residing on the surfaces of the grapes lichens growing on the vines' branches are not harmed?

Answers

The most important concern of the grape farmers who engage in this practise should be that the FUNGICIDE MIGHT ALSO KILL MYCORRHIZAE.
Mycorrhizae refers to a mutual association that is formed between a fungi and the roots of a plant. Scientists had discovered that most plants formed mycorrihizal association with fungi and that most of these plants will not survive if the association is destroyed.

The instructions for making new copies of a virus are (1 point)
(0 pts) part of a virus's capsid.
(0 pts) coded in proteins on the surface membrane.
(1 pt) coded in either RNA or DNA.
(0 pts) found only in bacteriophages.

Answers

The instructions for making new copies of a virus are *coded in either RNA or DNA.

The walls of the trachea are made up of rings of _______________ that strengthen the trachea and keep it open.

Answers

Cartilage is the answer.

Mechanical stress occurs in the form of weight-bearing movement and ____________ , and it is required for normal bone ____________ . stress is detected by ____________ and communicated to ____________ . these cells then ____________ synthesis of osteoid, and this is followed by ____________ of mineral salts. bone strength ____________ over a period of time in response to mechanical stress.

Answers

Mechanical stress occurs in the form of weight bearing movement and exercise, and it is required for normal bone remodeling. Stress is detected by osteocytes and communicated to osteoblast. These cells then increase synthesis of esteoid, and this is followed by deposition of mineral salts. Bone strength increases over a period of time in response to mechanical stress.

Mechanical stress occurs in the form of weight-bearing movement and EXERCICE, and it is required for normal bone REMODELING.

How does stress affect our bodies?

Stress can be detected by the OSTEOCYTES and then it is communicated to the OSTEBLASTS.

Osteocytes and osteoblasts are differentiated types of specialized bone cells.

Bone cells increase the synthesis of osteoid, and this is followed by the DEPOSITION of salts. Bone strength INCREASES in response to mechanical stress.

In conclusion, mechanical stress occurs in the form of weight-bearing movement and EXERCICE, and it is required for normal bone REMODELING.

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Which of these BEST summarizes human population growth on the planet Earth?

Answers

Human   population  growth  is  gradual   for  the   most  people  of   the  time  which  have  existed  and  only  in   the  last  two  centuries the  population   growth  has  been  growing  rapidly,  is  the  best  statement   which  summarizes  human  population  of   the  planet  earth.  After  world  war  2   the  world  human   population  growth  has  been  accelerated  and  currently  the   word  population  has   reach  7.5  billion

Answer:

So in other words from what he is saying the answer choice is

D: Human population growth was gradual for most of the time people have existed, only in the last two centuries has population growth been rapid.

Explanation:

Kelvin is pitching for his high school baseball team. he has mastered the art of the curveball, and knows just how to twist his fingers around the seam of the baseball to make the pitch work. the part of the nervous system that helps him feel the seams on the baseball and control his fingers to throw the curveball properly is the __________ nervous system.

Answers

The correct answer is the somatic nervous system. It is because the SNS or also known as the voluntary nervous system is the one responsible for controlling the voluntary movements of the body in which is through the skeletal muscles. This is the likely reason that helped Kelvin feel the seams on the baseball and control his fingers to throw the curveball properly.

A 2-year-old child with developmental dysplasia of the hip has a spica cast applied. the mother asks the nurse how to keep the cast clean. how should the nurse respond?

Answers

Managed easily with lotion or oil. Some degree of discomfort is expected after cast application. Warm toes indicate intact circulation to the lower extremities. Peeling skin (desquamation) is the result of inadequate skin care. The child should receive a cool mist because it facilitates reduction of mucosal edema.

Bacteria use ___________ attached to the polymerase and they direct rna polymerase to promoters; eukaryotic cells use __________ that instead attach directly to the dna first.

Answers

Bacteria use sigma factors attached to the polymerase and they direct RNA polymerase to promoters. Eukaryotic cells use transcription factors that instead attach directly to the DNA first.

Sigma factors is a specific protein that bacteria uses to initiate the binding of RNA polymerase by directing it to the DNA. Eukaryotes use transcription factors which initiate the binding of these proteins to the DNA to signal transcription. 

Explain how asexual reproduction is different from sexual reproduction.

Answers

Asexual is the coping of one cell because there is only one parent while sexual is the making of an offspring of two parents, mixed genes.

Which adjective reflects the relationship between the heart and the chest​ cavity?
a. cardiac
b. mediastinal
c. thoracic
d. cardiothoracic?

Answers

d. cardiothoracic

The answer is cardiothoracic since the word cardiothoracic comprises of two components- "cardio" + "thoracic". Cardio refers to the heart, whereas thoracic refers to refers to the chest or lungs. Therefore, cardiothoracic is the adjective that reflects the relationship between the heart and the chest​ cavity. 

The primary sources of renewable energy in the us are

Answers

Honestly this could be correct and you can mark me as Brainliest, the answers are : 
Solar, geothermal, and hydropower. 

Which body of water is often protected naturally from storms by barrier islands and also contains a mixture of fresh water and salt water?

Answers

The body of water, which is often protected naturally from storm by barrier island and also contain a mixture of fresh and salt water is ESTUARY.
An estuary refers to a partially closed body of water, that have one or more rivers flowing into it and which has a connection to the open sea. Because the fresh and the sea water meet at this point, the water is always a combination of salt and fresh water. A good example of an estuary in America is the Chesapeake Bay.

Tests reveal that a client has phosphatic renal calculi. the nurse teaches the client that the diet may include which food item?

Answers

 The nurse should teach patient with phosphatic renal calculi to include apples or fresh fruit on his diet for these fruits are low in phosphate or phosphorus. Moreover, patient should lessen sodium-rich food, which include canned, packaged or processed foods and eating in fast-food chain. Also, consuming too much animal protein, calcium and oxalate increases the risk of developing phosphatic renal calculi.

 

What is the trna anticodon that binds to the codon you typed above?

Answers

The complementary bases on the codon and anticodon are held together by hydrogen bonds, the same type of bonds that hold together the nucleotide in DNA. The ribosome only allows the tRNA to bind to the mRNA if it is carrying an amino acid. This takes place during the process of translation, where the bases of the anticodon form complementary base pairs with the bases of the codon by forming the appropriate hydrogen bonds.

A snake that eats a mouse is an exampe of predationcompetitionmutualismparasitism.

Answers

parasitism mutualism commensalism. competition. A relationship in which different indiv or pop attempt to use the same limited resource. Competition Ex. eagles and bears. They both can go after fish. Predation. Organism that feeds upon it's prey. Predation Example. mouse and a snake. Snakes eat the mouse. Parasitism. 

Hope is helps in someway

a snake eating a mouse is predatation silly geese
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