Question

Brassica stem color scientists crossed an Rr plant with an rr- this results in purple stems RR OR Rr producing green stems rr

What percentage of offshore offspring will have green stems

Answer 1

If the cross is between an Rr plant and an rr plant, then the offspring will be Rr and have purple stems or rr and have green stems. The probability of an Rr offspring is 1/2, and the probability of an rr offspring is 1/2. Therefore, 50% of the offspring will have green stems.