The response to selection, R, is equal to
A) the heritability (h2) of a trait.
B) the strength (S) of selection.
C) the difference between h2 and S.
D) S/h2.
E) h2S.
E) h2S.
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Which of the following includes all of the pyrimidines found in RNA and DNA?
A) cytosine and uracil B) cytosine and thymine C) cytosine, uracil, and thymine D) cytosine, uracil, and guanine
Matter is composed of:
A. molecules B. atoms C. mass D. energy
Which of the following is typical of an endocrine gland?
A. It secretes into a duct. B. It produces enzymes for digestion. C. It usually secretes its products into the circulatory system. D. It increases the metabolic rate.
Which of the following outcomes is more likely to occur in an organism undergoing sexual reproduction than in an organism undergoing asexual reproduction?
a. a rapid increase in population size b. a decrease in genetic diversity c. an increase in genetic diversity d. a rapid colonization of new niches