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 f

Question

3 years ago

8

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 f

ly (Rr) mates with a sepia-eyed homozygous fly (rr), what are the possible genotypes of their offspring? (Hint: You many want to complete a Punnett square.)
Rr only
RR, Rr, and rr
Rr and rr
RR and Rr

Biology

2 answers:

Tems11 [23] · Answer 1 · 2021-12-19T20:14:34+03:00

Tems11 [23]3 years ago

8 0

Answer:

Rr and rr

Explanation:

i took the class

VikaD [51] · Answer 2 · 2021-12-19T18:23:01+03:00

Complete a Punnett Square to see the possible offspring.

. R    I r
  -------------
r I Rr I rr I
  --------------
r I Rr I rr I
--------------
Excuse the horrible square, but as you can see, the possible genotypes will be Rr and rr.