BIOB51H3 Chapter Notes - Chapter 6: Silent Mutation, Genomic Imprinting, Deoxyribose
18 Jun 2019
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Chapter 6 transmission genetics and the sources of genetic variation. In both cases, we assume that natural selection favors purple flowers over white flowers: for case 1, suppose that the loci for seed shape and flower color are unlinked. In this case, selection can operate independently on each character. Purple flowers should increase in frequency regardless of which seed shape is favored by natural selection: for case 2, instead suppose that the loci for seed shape and flower color are linked. Changes in the frequency of the alleles at one locus will then affect the frequency of the alleles at the other locus. Biob51: while the phenotypic effects of the particles carrying heritable information may blend, the particles themselves remain distinct, and they can be separated again in future reproductive events, figure 6. 2: blending inheritance vs. particulate. Inheritance: darwin, like most of his contemporaries, viewed heredity as a blending process.
