Question

You have entered the exotic bird market and wish to breed a Cockatoo with the striking Rose Breast and a Crest of feathers (crested) on its head. You obtain a true-breeding female Rose Breasted Cockatoo (Rose breast but no crest) and a true-breeding male Umbrella cockatoo (White breast and Crested). All of the F1 birds have a rose breast and a crest. When the F1 birds are breed you obtain the following offspring. F2 offspring. 2 rose breasted, no crest females 6 rose breasted, crested females 1 white breasted, no crest males 3 white breasted, crested males 1 rose breasted, no crest males 3 rose breasted, crested males 16 total

genotype of a white breasted cockatoo

  

genotype of a rose breasted cockatoo

genotype of a crested cockatoo

  

genotype of a non-crested cockatoo

mode of inheritance of Breast Color

  

mode of inheritance of Crest

Answer 1