The influence of genetic drift on allele frequencies
increases as
a. gene flow increases.
b. population size decreases.
c. mutation rate decreases.
d. the number of heterozygous loci increases.
e. random mating increases.
Answer: b
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The marine macrophyte group with the highest number of species is:
a. seagrasses. b. red algae. c. green algae. d. brown algae. e. blue-green algae.
Which of the following statements is false?
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The presence of which hormone in a female’s urine
indicates that she is pregnant? a. luteinizing hormone b. follicle-stimulating hormone c. chorionic gonadotropin d. progesterone e. estrogen