Question

In a cross of heterozygous RW four o'clock plants (RW x RW) what proportion of the seeds will grow to produce pink flowers?

Answer 1

In this question, the parental is heterozygous i.e. RW

Parent:       RW x RW

Gametes:   R and W

F1:   RR ; RW ; RW ; WW

RR is red

WW is white

RW is pink

As you can see, 50% of the F1 generation is having pink flowers. So the answer is 0.5.

Answer 2

The answer is C.) 0.5. Hope this helps.