Color Blindness Problem Set

Problem 10: Audrei's sons

What is the probability that Audrei's sons will be color blind?

A. 25%
B. 50%
C. 75%
D. 100%
Regardless of whether the father of Audrei's children has normal vision or the color perception defect, all of her sons will inherit one of her X-chromosomes which both carry the color perception defect.


The Biology Project
University of Arizona
Saturday, October 10, 1998
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