In pigs, the allele for a wavy, rough coat (R) is dominant to the allele for a soft, fine coat (r). A rough coat boar and a

soft coat sow mate. They produce several litters, 50% are rough coat and 50% are smooth coat. What must be the
genotypes of the parents to create this phenotypic ratio?
Group of answer choices

Rr × Rr

RR × Rr

RR × rr

Rr × rr