Question

If a homozygous dominant (YY) yellow-bellied fictitious bird is crossed with a heterozygous (Yy) yellow-bellied fictitious bird, what would the resulting phenotypic ratio be? Note: White-bellied fictitious birds are homozygous recessive.

A. ½ yellow-bellied, ½ white-bellied
B. ¾ yellow-bellied, ¼ white-bellied
C. All yellow-bellied
D. All white-bellied

Answer 1

@Michelle27

Answer 2

all yellowed bellied. (YY) X (Yy) = YY, YY, YY, and Yy. They all have dominant yellow belly

Answer 3

A.

Answer 4

A.