BIOC15H3 Lecture 3: Lecture 3
12 Sep 2015
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Type of dominance : figure 2. 23: complete, a1/a1 x a2/a2 x a1/a2 hybirds, a1 is dominant to a2, a2 is recessive to a1, complete, a1/a1 x a2/a2 x a1/a2 hybirds, a2 is dominant to a1, a1 is recessive to a2. In this case, the f1 individuals re pink they are not red or white: we get an in between phenotype, het in between = incomplete dominance, blending is present, units of inheritance are not blending, some protein product is blending, if we mate 2 f1 individuals are self cross them to generate f2 we get red and white back, we are getting a mendelian genotypic ratio 1:2: 1 (alleles are still segregating, which ones are offspring getting is random, how fertilization occurs is random, phenotype determination is different here, heterozygotes have a new phenotype, which is a sort of blending phenotype.
