Biology 3rd Edition by Peter Russell, Paul Hertz, Beverly McMillan

تمرين 1

The dominant C allele of a gene that controls color in corn produces kernels with color; plants homozygous for a recessive c allele of this gene have colorless or white kernels.What kinds of gametes, and in what proportions, would be produced by the plants in the following crosses? What seed color, and in what proportions, would be expected in the offspring of the crosses?
A)CC × Cc
B)Cc × cc
C)Cc × Cc