Question

black color and short hair are dominant traits in guinea pigs. What are the expected types of offspring produced by a cross between a guinea pig heterozygous for both black coat and short hair and a white, long haired guinea pig?

Answer 1

100% of offspring will be black short hair, because they are dominate alleles. the phenotype will be black and short haired. but genotype will be heterozygous CcHh
C is black dominant
c white recessive
H short hair Dom
h long hair rec
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