Question

a cross between a white rooster and a black hen result in 100% blue andalusian offspring . when they mate what the penotypes​

Answer 1

Answer:

25% were black

50%  were blue

and 25% were white

Explanation:

White Rooster  aa X Black Hen AA

F1: Aa Blue

then Aa x Aa

Outcomes will be:

25% were black (AA)

50%  were blue (Aa)

and 25% were white (aa)