Biological Science (6th Edition)

Published by Benjamin Cummings
ISBN 10: 0321976495
ISBN 13: 978-0-32197-649-9

Chapter 14 - Mendel and the Gene - Review - Page 313: 1

Answer

A

Work Step by Step

In independent assortment, a dihybrid cross cannot yield a 3:1 ratio like monohybrids can. Mendel was able to confirm independent assortment among the genes in his experiment because the $F_2$ phenotypes would otherwise not have had a 9:3:3:1 ratio.
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