If R is the allele for round peas and r is the allele for wrinkled peas. Complete a Punnett Square test cross with the following parents: Rr and Rr. What would be true of the offspring?
In a Punnett Square test cross between Rr and Rr parents, the possible genotypes and phenotypes of the offspring can be determined.
The Punnett Square would look like this:
R r
R RR Rr
r Rr rr
The genotypes of the offspring would be:
- RR: 25%
- Rr: 50%
- rr: 25%
The phenotypes of the offspring would be:
- Round peas (RR and Rr genotypes): 75%
- Wrinkled peas (rr genotype): 25%
Therefore, it can be concluded that 75% of the offspring would have round peas, while 25% would have wrinkled peas.