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Genotype of a particular chipmunk

In a captive colony, he selects a male chipmunk with short ears. Without any additional information, would the geneticist know the genotype of that particular male chipmunk? If yes, what would the short-eared chipmunk's genotype be. If no, how could the geneticist determine the genotype of that particular chipmunk? Ideas are included.

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Let's call the short ear allele E, and the long ear one e.

Since short ears are dominant, an animal that shows the short-ear phenotype could either be homozygous EE (two short ear alleles) or heterozygous Ee (one short ear allele and one long ...

Solution Summary

Genotype of a particular chipmunk is determined.

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