In hamsters, black coat color (b) is dominant to white coat color (b). a homozygous black hamster is mated with a heterozygous black hamster. what will be the genotypes and phenotypes of their offspring? bb, bb; all black bb; all black bb, bb; half black, half white bb, bb; half black, half white bb, all white

The word “homozygous” means the same alleles, and the word “heterozygous” means different alleles. It is important that the dominant trait should me symbolized as a capital letter, that way you can tell the difference. If there is a capital letter, the lowercase is a recessive trait that doesn’t show.

When you breed homozygous and heterozygous hamsters, you get four possible possibilities (in using a Punnet square). Those possibilities are BB, BB, Bb, and Bb. Notice that they all have capitals, so the offspring will all be black hamsters.

Genotypes:
BB: 50%
Bb: 50%
bb: 0%

Phenotypes:
Black Hamster Offspring: 100%
White Hamster Offspring: 0%

I hope this helps :)

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