Sex-linked Inheritance

Question 1

Why are women often carriers of X-linked traits but rarely affected by them?

Revolt · Accepted Answer

Women have two X chromosomes. Recessive alleles on one X chromosome are often masked by dominant alleles on the other chromosome. Women will not be affected unless they receive two recessive alleles.

Question 2

The pedigree on the right shows the inheritance pattern for an X-linked recessive disorder.How many individuals are carriers of the disease but are not affected?

Revolt · Accepted Answer

4

Question 3

Question 3

Revolt · Accepted Answer

A,C

Question 4

The pedigree on the right shows the inheritance pattern for an X-linked recessive disorder.If the female circled in pink married an affected male and had a female child, what is the chance that the child would also be affected? Express your answer in a percentage.%What is the chance that the child would be a carrier?%

Revolt · Accepted Answer

50

Question 5

Which of the following did you include in your response? Check all of the boxes that apply.

Revolt · Accepted Answer

PENDING

Question 6

What is the genotype of the male circled in pink?

Revolt · Accepted Answer

A: XaY

Question 7

True or false? The child could be standard.true✔ false

Revolt · Accepted Answer

B: false

Sex-linked Inheritance Answers

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