Problem: Mating oif two organisms produces a 1:1 ratio of phenotypes in the progeny. The parental genotypes are:A. Aa x AaB. Aa x aaC. AA x aaD. AA x AA

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Producing a  recessive phenotype requires both parents to have at least a recessive allele. However, a cross between two heterozygotes will only produce one 1 of 4 outcomes with the recessive phenotype.

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Problem Details

Mating oif two organisms produces a 1:1 ratio of phenotypes in the progeny. The parental genotypes are:

A. Aa x Aa

B. Aa x aa

C. AA x aa

D. AA x AA

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