Type A blood could donate to which of the following blood types?
A) A, AB, and O
B) A only
C) A and AB
D) A and O
E) B only
Ans: C) A and AB
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The phenotypic differences between chimps and humans is best explained by _____
a. the high variation in the number of different genes between the two species b. the high number of inversion sequences c. epistatic changes to genes d. patterns of gene expression and regulation e. the large amount of "junk DNA" found in chimpanzee genomes
What was the major contribution of Gregor Mendel?
a. He coined the term genes. b. He provided evidence for how traits are inherited. c. He described how genes code for particular proteins. d. He explained the central role of proteins in the expression of traits.
At Hardy-Weinberg equilibrium
A. allele frequencies change from one generation to the next. B. evolution does not occur. C. allele frequencies remain constant from one generation to the next so evolution does not occur. D. allele frequencies remain constant from one generation to the next. E. evolution occurs at an increased rate.
Four of the five interactions listed below are
relationships in which at least one of the participants benefits. Select the exception. a. competition b. parasitism c. mutualism d. commensalism e. predation