Color Blindness Problem Set

Problem 11: Audrei's daughters

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

A. O% if the father has normal vision, and
100% if the father is red-green color blind.
If the father has normal vision, all of the daughters will receive their father's X-chromosome with the normal vision trait. All will have normal vision, but will be heterozygous carriers of the color perception defect. If the father is red-green color blind, all the daughters will be red-green color blind like their mother.
B. 50% if the father has normal vision, and
100% if the father is red-green color blind.
C. 5O% if the father has normal vision,and
50% if the father is red-green color blind.
D. 25% if the father has normal vision, and
100% if the father is red-green color blind.


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