Biology, 30.10.2019 22:31 Daisysolis5191
Two genes interact to produce various phenotypic ratios among f2 progeny of a dihybrid cross. design a different pathway explaining each of the f2 ratios below, using hypothetical genes r and t and assuming that the dominant allele at each locus catalyzes a different reaction or performs an action leading to pigment production. the recessive allele at each locus is null (loss-of-function). begin each pathway with a colorless precursor that produces a white or albino phenotype if it is unmodified. the ratios are for f2 progeny produced by crossing wild-type f1 organisms with the genotype rrtt.12/ 16 white: 3/16 green: 1/16 yellowa) at least one copy of both dominant alleles results in white; at least one copy of one of the dominant alleles also results in white, but at least one copy of the other dominant allele produces green; and the absence of either dominant allele produces yellow. b) if both dominant alleles are present, the result is green. at least one copy of one specific dominant allele is required for yellow. if that dominant allele is not present, the result is white, regardless of whether the other dominant allele is present. c)at least one copy of each dominant allele results in white, at least one copy of either dominant allele produces green, and the absence of either dominant allele produces yellow. which statement is correct. explain step by step so i can do the rest!
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Two genes interact to produce various phenotypic ratios among f2 progeny of a dihybrid cross. design...
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