Problem: In foxes, two alleles of a single gene, P and p, may result in lethality (PP), platinum (Pp), or silver coat (pp). If you breed two platinum foxes and produce 12 offspring, how many of each of the following phenotypes do you expect?Is the P allele acting as a dominant lethal or a recessive lethal in foxes?

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The genotype of individuals for a certain gene determines the expression of a certain trait. From the given problem, the gene P determines hair color. However, a homozygous dominant for the P gene leads to the death of the individual.

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Problem Details

In foxes, two alleles of a single gene, P and p, may result in lethality (PP), platinum (Pp), or silver coat (pp). If you breed two platinum foxes and produce 12 offspring, how many of each of the following phenotypes do you expect?

Is the P allele acting as a dominant lethal or a recessive lethal in foxes?

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Based on our data, we think this problem is relevant for Professor Hallidayschult's class at OU.