A human male produces sperms with the genotypes AB, Ab, aB, and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person?

Question

Accepted Answer

AaBb. To produce four gamete types AB, Ab, aB, and ab in equal proportions, the person must be heterozygous at both loci. During meiosis, each allele pair segregates independently, giving all combinations equally. That corresponds to AaBb.

A human male produces sperms with the genotypes AB, Ab, aB, and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person?

Solution

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