Summarize the results of one of the first investigations of the genetics of skin colorWhat will be an ideal response?
ANSWER: One of the first investigations of the genetics of skin color, done between 1910 and 1914,
studied black–white marriages in Bermuda and in the Caribbean. The results illustrate several
properties of traits controlled by more than one gene. The F1 generation had skin colors
intermediate to those of their parents. In the F2, a small number of children were as white as
one grandparent, a small number were as black as the other grandparent, and most had skin
color between those two extremes. Because F2 individuals could be grouped into five
phenotypic classes, the investigators hypothesized that two gene pairs control skin color.
Each F2 phenotypic class represented a genotype produced by the segregation and assortment
of two gene pairs
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What will be an ideal response?
Before starch can be used for cellular respiration, it must be broken down into:
A) fatty acid. B) amino acids. C) oxaloacetatic acid. D) pyruvate. E) glucose.