Human Genetics Problem Set

Problem 8: X-linked traits


A human male carrying an allele for a trait on the X chromosome is:
A. heterozygous
B. homozygous
C. hemizygous
Males have a single copy of the X-chromosome.
D. monozygous
E. holozygous

The Biology Project
University of Arizona
Revised: November 5, 1998
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