Which answer would score higher? Not sure where to start? Explain this Answer A Each parent is Rr. The possible offspring are RR, Rr, Rr and rr, so one in four is affected because the recessive condition requires rr. Answer B Each parent is Rr. The possible offspring are RR, Rr, Rr and rr, so three in four are affected because three genotypes contain allele r.