Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 11 - Mendelian Patterns of Inheritance - Assess - Page 206: 12

Answer

a.

Work Step by Step

An example of a trait governed by multiple alleles is the ABO blood system in humans. There are three alleles for blood type: A, B, and O. Alleles A and B are codominant whereas O is recessive to both A and B. Individuals can have blood type A, B, AB, or O, depending on the combination of alleles from their parents.
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