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Biology 19 Online
stylequeen:

In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed heterozygous fly (Rr) mates with a sepia-eyed homozygous fly (rr), what are the possible genotypes of their offspring? (Hint: You may want to complete a Punnett square.) (2 points) 1.Rr only 2.RR, Rr, and rr 3.Rr and rr 4.RR and Rr

ramen:

Do you know how to use a punnet square?

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