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BIOLOGY 160 GENETICS PROBLEMS

BIOLOGY 160 GENETICS PROBLEMS 1. In the human, normal pigmentation (A) is dominant to albinism (a). What results would be expected from the following matings, both genotypically and phenotypically? AA x aa Aa x aa Aa x Aa aa x aa 2. A man with normal pigment, whose father was an albino, marries an albino. What chance is there that their first child […]

5. Andalusian chickens may be either black, white, or gray.

BIOLOGY 160 GENETICS PROBLEMS 5. Andalusian chickens may be either black, white, or gray. The gene for black is not dominant over the gene for white, nor is the gene for white dominant over the gene for black. When a black rooster is mated to a white hen, all gray chicks are produced. When gray […]