Dihybrid Cross

Problem 9: Homozygous offspring of a dihybrid cross, again.

In a dihybrid cross, SsYy x SsYy, what fraction of the offspring will be homozygous for both traits?

A. 1/16

B. 1/8

C. 3/16

D. 1/4

E. 3/4

The Biology Project
University of Arizona
Tuesday, August 13, 1996
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