1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
PtichkaEL [24]
3 years ago
12

Assuming that coleman's hypotheses about the ob and db genes are correct, rank the mice by the amount of appetite-suppressing ho

rmone you would expect to find circulating in their blood. place the mouse with the lowest hormone level on the left and the mouse with the highest hormone level on the right. resethelp
Biology
2 answers:
Alexus [3.1K]3 years ago
6 0

Lowest levels of hormone would be when ob genes are mutated

Highest levels of hormone would be when db genes are mutated.

Further Explanation:

Colemanhypothesis states that ob+ genes codes for an appetite suppressing hormone. The amount of adipose tissue determines the production of this hormone. Also, db+ genes codes for receptor of the same hormone. So, mutations in these genes might have the following effects:When ob genes are mutated, production of functional appetite suppressing hormone stops.When db genes are mutated, production of functional receptors for the same hormone stops.

So, if the mutation occurs in both the ob genes, the production of appetite suppressing hormone stops and thus, the mice would gain the highest weight.If the mutation occurs in both the db genes, there would be no receptor to respond to the hormone produced. The mice would gain fat and produce the hormone in turn. And the hormone level would be abnormally high. Thus, lowest levels of hormone would be there in the mutated ob genes and highest levels of the hormone would be in the mutated db genes.

Learn more:

  1. Learn more about proteins<u> brainly.com/question/1420458</u>
  2. Learn more about DNA <u>brainly.com/question/2416343</u>
  3. Learn more about replication <u>brainly.com/question/1600165</u>

Answer Details:

Grade:College Biology

Subject:Genetics

Chapter:Laws of inheritance

Keywords:

Coleman hypothesis, genes, suppressed expression, functional receptors, appetite suppressing hormone, mutations, mutated gene, hormone, hormone level, abnormally high hormone levels.

Ber [7]3 years ago
4 0
The hypothesis by Coleman was that the product of the ob+ gene was the appetite suppressing hormone.  Hence, the homozygous ob/ob mutant are in a position to synthesize that hormone, and its circulating level would be zero. He also hypothesized that the  product of the db+ gene was the receptor for the appetite-suppressing hormone. Thus, the homozygous db/db mutant would be able to synthesize the hormone but would not be in a position to respond to it. It would eat excessively and produce large amounts of body fat, which in turn would produce large amounts of appetite-suppressing hormone . In the absence of a receptor, the db/db mutant's hormone level would remain abnormally high. 
Coleman's hypothesis were confirmed when the precise functions of the ob+ and db+ genes were determined. The peptide hormone encoded by the ob+ gene was named Leptin.
You might be interested in
_______ involves determining the functional relationship between variables, parameters, and equations.
bonufazy [111]
<span>Model construction.....</span>
8 0
3 years ago
Describe the outer covering of a reptile egg
rewona [7]
The outer covering of a reptile egg, may be flexible, calcified eggshells, while there are some reptiles that has hard eggs. A snake lays a kind of reptile egg that is leathery. A reptile egg may differ from one another, depending on the species.

3 0
3 years ago
Which animal would you expect to have the most efficient organs for gas exchange?.
sladkih [1.3K]

Answer:

A salt water fish living in the Indian Ocean

8 0
3 years ago
Arm
aniked [119]

Answer:

9 true

Explanation:

5 0
3 years ago
Two friends Rohan and Rajeev went out for a sports day. After coming back they were so tired they have ordered for drinks. Rohan
ycow [4]

Answer:

Rohan

Explanation:

Energy is needed for our daily activity and this is gotten after food eaten had been broken down to release glucose a form of sugar that supplies energy it is mostly gotten from carbohydrate food.

Rohan ordering for plain glucose solution is right this is because it doesn't require further breakdown for it to start it working process in the body while Rajeev who takes mango juice will take a while for energy to absorb from the juice.

4 0
3 years ago
Other questions:
  • What is an example of a limiting factor that humans use to control the carrying capacity of an environment for a particular type
    6·1 answer
  • ________ development involves growth and changes in the body and brain, the senses, motor skills, and health and wellness.
    13·1 answer
  • Rising sea levels are a possible global consequence to a change in local environments. Please select the best answer from the ch
    12·1 answer
  • If you were given the choice and power to prohibit one industry or human activity that produces substantial greenhouse gas emiss
    7·1 answer
  • The process of making rna from dna is called transcription and it occurs in the
    10·1 answer
  • What is an apple made of
    5·1 answer
  • What cells line the ventricles of the brain?
    14·1 answer
  • In a prokaryotic cell, most ribosomes are _____.
    5·2 answers
  • A human hair is:
    10·1 answer
  • Explain the process of digestion abd absorption of carbohydrates.​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!