Chinese Shar Peis are selectively bred for their recessive trait, the wrinkly coat. The genotypic relationship of (rr) represents pure recessive genes. What would the alleles of the parents need to be in order to pass those traits to at least 25% of the offspring? Select three that apply:
RR, RR
Rr, Rr
RR, rr
Rr, rr
Rr, Rr
RR, rr
Rr, rr