Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 12 - Inheritance, Genes, and Chromosomes - 12.2 - Alleles Can Produce Multiple Phenotypes - 12.2 Recap - Learning Outcomes - Page 253: 2

Answer

Codominance occurs when the two alleles at a single locus lead to two different phenotypes that both appear in heterozygotes. The common blood type AB involves both A-specific and B-specific antigens appearing on red blood cells.

Work Step by Step

Codominance occurs when the two alleles at a single locus lead to two different phenotypes that both appear in heterozygotes. The common blood type AB involves both A-specific and B-specific antigens appearing on red blood cells.
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