SAT® Subject Test in Biology

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Four O'clock Flowers

SATBIO-NXXLJ2

A red four o'clock flower (RR) is crossed with a white four o'clock flower (WW) and the resulting F1 offspring are all pink (RW). If two of the pink offspring are crossed, what proportion of genotypes would you expect to see in the F2 generation?

A

1 RW: 2 RR: 1 WW

B

2 RR: 1 RW: 1 WW

C

1 RR: 2 RW: 1 WW

D

4 RR: 0 RW: 0 WW

E

2 RR: 0 RW: 2 WW