In foxes, two alleles of a single gene, P and p, may result in lethality (PP), platinum coat (Pp), or silver coat (pp). Part A What ratio is obtained when platinum foxes are interbred?

Question

Biology

Nora Browning

1 February, 17:38

In foxes, two alleles of a single gene, P and p, may result in lethality (PP), platinum coat (Pp), or silver coat (pp). Part A What ratio is obtained when platinum foxes are interbred?

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Answers (1)

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Matias Macias · Answer 1

Ratio 1:2:1. That is, 25% lethality (PP), 50% platinum coat, 25% silver coat

Explanation:

When two heterozygous foxes are interbred, in every single birth, there is a

25% chance of having a fox homozygous for lethality (PP)

50% chance of having a heterozygous fox with platinum coat (Pp)

25% chance of having a homozygous fox with a silver coat (pp)