In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed honnozygous fly (RR) and a red-eyed heterozygous fly (Rr) mate together, what are the possible genotypes of their offspring? (Hint: You may want to complete a Punnett square.)
RR and rr
Rr only
Rr and RR
RR, Rr, and rr
Answers: 1
In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive....
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