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Tomtit [17]
3 years ago
5

In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If two red-eyed heterozygous

flies (Rr) mate together, what are the possible genotypes of their offspring? (Hint: You many want to complete a Punnett square.)
RR and Rr
Rr only
RR and rr
RR, Rr, and rr
Biology
1 answer:
IceJOKER [234]3 years ago
4 0
Punnett square-
    R   r
R RR  Rr
r   Rr   rr
So RR, Rr, and rr are possible outcomes.
The answer is D.
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