peaches92
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In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed homozygous fly (RR) and a red-eyed heterozygous fly (Rr) mate together, what are the possible genotypes of their offspring?

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chelseaharpe820

     R   R

R| RR RR

r |Rr  Rr

I tried to type out a punnet square Lol

Answer:

if the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive.

The possible  of their offspring if Rr mates with rr is :

The third option,  Rr and rr

hope this helps

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