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
love history [14]
1 year ago
6

1. a man and woman are both affected with the brca1 gene for familial breast cancer, a disease that has 80% penetrance in all in

dividuals who carry the allele. they are both heterozygotes for the disease-causing mutation. what is the probability that they will have a phenotypically normal child?
Biology
1 answer:
allochka39001 [22]1 year ago
8 0

The probability to have a phenotypically normal child will be 40% because parents are both heterozygotes for this disease-causing mutation that has 80% penetrance.

<h3>What is genetic penetrance?</h3>

The expression genetic penetrance refers to the chances of expressing a given phenotype which may be associated with both genetic and environmental factors.

In conclusion, The probability to have a phenotypically normal child will be 40% because parents are both heterozygotes for this disease-causing mutation that has 80% penetrance.

Learn more about genetic penetrance here:

brainly.com/question/5662654

#SPJ1

You might be interested in
Given what you know about ATP and cellular respiration, explain why cyanide is so fast acting.
sukhopar [10]

Answer:

In a nutshell, cyanide prevents cells from using oxygen to make energy molecules. ... It acts as an irreversible enzyme inhibitor, preventing cytochrome C oxidase from doing its job, which is to transport electrons to oxygen in the electron transport chain of aerobic cellular respiration

Explanation:

Here you go

7 0
3 years ago
Evolution occurs in individuals, not populations.<br><br> a) True<br><br> b) False
lbvjy [14]

<u>B. False</u>

<em />

<em>The process of evolution occurs only in populations and not in individuals... Five forces can cause genetic variation and evolution in a population: mutations, natural selection, genetic drift, genetic hitchhiking, and gene flow.</em>

3 0
3 years ago
Read 2 more answers
Chinstrap and Gentoo penguins are two species of penguins that feed on krill in the Antarctic Ocean.
GalinKa [24]
A is the right answer
7 0
3 years ago
Read 2 more answers
How do mutations increase variety
Rzqust [24]
Genetic mutations increase variety by adding uniqueness to the world. Genetic mutations can come in all shapes and sizes based on the chromosomes in cells. Perhaps someone was born with one blue eye and one green eye, or perhaps they have hair a certain, unusual color. Genetic mutations add variety to the world by making sure everyone isn't the same!!
8 0
3 years ago
Why is weeding flower beds so imprortant?
Maurinko [17]

Answer:

It's important to rid your garden of weeds because they rob your soil and your plants of important nutrients and water.

Explanation:

For Example: Certain weeds such as nut grass actually reduce crop yield on farms because their roots release chemicals that are harmful to surrounding plants.

5 0
3 years ago
Other questions:
  • What are the buffer systems in your body that keep you alive activity 51?
    6·1 answer
  • Provide the medical term for: Originating outside (an organ or part) (= produced by the outside (of an organ or part))
    5·1 answer
  • The combining form ADIP/O means <br> A. skin. <br> B. membrane. <br> C. joint. <br> D. fat.
    5·2 answers
  • How many ribose molecules are found in ATP?
    15·1 answer
  • What becomes a problem as a single cell grows larger?
    11·1 answer
  • Can an organism fill more than one trophic level --- yes or no? Give an example. (24 points)
    15·2 answers
  • Which base sequence in the original DNA would be transcribed into mRNA Condon that joins with tRNA anti-Condon shown below? The
    5·1 answer
  • During photosynthesis, plant cells use sunlight as an energy source. Animal cells do not use photosynthesis. What organelle in p
    12·2 answers
  • HELP PLEASE!! <br><br> How is a karyotype useful?
    11·1 answer
  • HELP its easy i think
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!