Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 15 - 15.2 - Concept Check: 3


A dominant X-linked allele would show up equally in males and in females since it would appear wherever at least one copy was present, unlike recessive X-linked traits which are observed more often in males due to their hemizygosity.

Work Step by Step

Review the material in Concept 15.2 on X-linkage and think about why males show these defects more often. Then consider how dominant alleles make their presence know always, whether in hemizygous males or diploid females.
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