In peas, seeds may be round (R) or wrinkled (r). What proportion of the offspring in the
following crosses would be expected to be wrinkled? (Note: you should make Punnett
squares on a scrap piece of paper)
1. RR 2. Rr x Rr 3. Rr x rr
O 0%, 25%, 50%
O 25%, 50%, 75%
O %0, 50%, 75%
O 0%, 50%, 100%