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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