Dihybrid Cross
Problem 6: Offspring of a SsYy x ssyy test cross.
The expected phenotypic ratio of the progeny of a SsYy x ssyy test cross is:
A. 9:3:3:1.B. 3:1.
C. 1:1:1:1.
SsYy, ssYy, Ssyy, ssyy are predicted to occur in a ratio of 1:1:1:1.
D. 1:2:1.
E. 3:1:1:3.
University of Arizona
Tuesday, August 13, 1996
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