Color Blindness Problem Set

Problem 1: Audrei's genotype

Audrei is the family member who contacted us. She and her father Sydney are color blind, but her mother, Barbara, has normal vision. What is Audrei's genotype?

A. homozygous for the dominant, normal vision allele
B. heterozygous carrier of the red-green color blind allele
C. homozygous recessive for the red-green color blind allele

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