Will give brainliest a horticulturalist wants to produce geraniums with specific characteristics. she knows that the trait of red flowers is governed by the allele r (rr and rr) and the trait of white flowers is governed by the allele r (rr) what do the letters in each square box of a punnet tell you a. the possible combination of allelesin offspring based on the parents genetic makeup b. the full pedigree of the geraniums c. how to assemble a genetic map of the chromosome on which the alleles are located d. that both parents show characteristics of the dominant trait