Campbell Biology (10th Edition)

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

Chapter 14 - Test Your Understanding - Level 2 - Application/Analysis: 5

Answer

a) 1/64 b) 1/64 c) 1/8 d) 1/32

Work Step by Step

This problem is much easier than it looks. For a hypothetical cross of AaxAa (what is happening in the problem with each independent gene), progeny will be 1/4AA: 1/2Aa: 1/4aa. So, for example, in a), homozygous dominant is 1/4 for any one gene and 1/4x1/4x1/4=1/64 for the three genes together.
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