Question: When crossing parents with genotypes Rr and rr, what will be the percentages of the genotypes of the offspring?

What is the correct answer to the question from the following choices?
OPTIONS:
- 75% Rr, 25% rr
- 50% Rr, 50% rr
- 100% Rr
- 100% rr
50% Rr, 50% rr