- Punnet Square -

Question

A heterozygous woman carrying the recessive gene for colorblindness marries a man who is color-blind. Do a Punnet square to determine the answers to the following questions.

A) Genotype of parents X^CX^c (X)  X^cY

1. a. What percent of the children will be colorblind:
2. b. What is the percent colorblind children by sex: % Males % Females
3. c. What percentage will be carriers %
4. d. What is the sex of the carriers?

Answer 1

Answers:

a. 50% of the kids will be colorblind.

b. Males: 25% Females: 25%

c. 50% of the kids will be carriers.

d. Both males and females can be carriers.