Question #179387

Unattached earlobes (E) are dominant over attached earlobes. Complete the punnet square for the following individuals: A heterozygous mom and a heterozygous dad.


Expert's answer

A heterozygous genotypes are Ee. From here:



Genotype ratios are: EE:Ee:ee = 1:2:1

Phenotype ratios are unattached earlobes:attached earlobes = 3:1


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