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94.In cats, the genes controlling coat-colour are co-dominant (incompletely dominant) and are carried on the X chromosomes.When a black female was mated with a ginger male the resultinglitter consisted of black male and tortoise-shell female kittens.B.What phenotypic ratio would be expected in the F2 generation?A. 1 black male: 1 ginger male: 2 tortoise-shell females1 black male: 1 ginger male: 1 tortoise-shell female: 1black femaleC. 2 black males: 1 tortoise-shell female: 1 ginger femaleD. 1 black male: 1 tortoise-shell female: 1 ginger female: 1black femaleE. 2 black males: 1 tortoise-shell female: 1 black female |
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Answer» femaleD. 1 BLACK MALE: 1 tortoise-shell FEMALE: 1 GINGER female: 1black femaleE. 2 black MALES: 1 tortoise-shell |
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