In pea plants, the Y allele codes for yellow seeds and the y allele codes for green seeds. The R allele codes for round seeds, while the r allele codes for wrinkled seeds. What fraction of offspring are expected to be round and green from a cross between Rryy and rrYy parents?
- 1/2
- 3/16
- 4/4
- 1/4
- 3/4
- 1/16