Dihybrid Cross

Problem 5: A SsYy x ssyy test cross.


Which of the following genotypes would you not expect to find among the offspring of a SsYy x ssyy test cross:

A. ssyy

B. SsYy

C. Ssyy

D. ssYy


Offspring could not be homozygous for the dominant yellow seed color (YY), because one recessive y allele must be inhereited from the ssyy parent.

The Biology Project
University of Arizona
Tuesday, August 13, 1996
Contact the Development Team

All contents copyright © 1996. All rights reserved.