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Serga [27]
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 a red-eyed homozygous fly

(RR) and a red-eyed heterozygous fly (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 < I think its this one
RR, Rr, and rr

Biology
2 answers:
horsena [70]3 years ago
5 0

Answer:

Yes the answer you expected is correct. Its RR and Rr.

Explanation:

As per the given information the parent generation is as follows:

Parent: Red eyed homozygous fly (RR)   x  red eyed heterozygous fly (Rr)

Gametes: R and R , r

F1 generation : RR and Rr

The F1 generation will have only these two possible genotypes.

Download docx
tatyana61 [14]3 years ago
4 0
You are correct, it would be RR and Rr

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