hypothesis regarding how the presence of anthocyanin affects the relative fitness of the two Brassica morphs?

In preparation for this lab, we planted mustard seeds of known genotype at the body color locus; the genotype of each seed produces a plant of either a standard green body color or a yellow-green body color. The yellow-green plants are homozygous recessive at the body-color locus. The central question we want you to answer is this: Does genotype at the body color locus influence a plant's expected survival and reproduction? If so, then alleles causing the yellow-green phenotype are likely to change in frequency from generation to generation due to natural selection.

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