Campbell Biology (10th Edition)

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

Chapter 14 - Test Your Understanding - Level 1 - Knowledge/Comprehension: 1

Answer

The phenotypic ratio will be approximately 9 (yellow round):3(green round):3 (yellow wrinkled):1 (green wrinkled)

Work Step by Step

In the given example, the parents are heterozygous for both pod color and pod shape. While the yellow pod color is dominant over the green recessive color, the round shape is dominant over the wrinkled shape. This is an example of a dihybrid cross. The phenotypic ratio will be approximately 9:3:3:1
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