In a plant species, the allele for red flowers, R, is dominant over the allele for white flowers, r. Two red-flowered plants were crossed. Parents: red-flowered plant \times red-flowered plant. Offspring: 93 red-flowered plants and 28 white-flowered plants. What are the parents' genotypes?
- ARR and rr
- BRR and Rr
- CRr and Rr
- DRr and rr