the leghorn breed of chicken, white plumage is dominant over colored plumage, feathered
hanks are dominant over clean shanks, and pea comb is dominant over single comb. The three
enes assort independently. A homozygous white, feathered, pea-combed chicken is crossed
with a colored, clean, single-combed chicken, and the F? progeny are allowed to interbreed.
What proportion of the F? class will produce only white, feathered pea-combed chicken if
nated to colored, clean, single-combed birds?
1/64
9/64
27/64
37/64
none of these choices