In the chalk bass drift activity last week, which of the following caused drift to occur?
A. A bottleneck
B. The law of independent assortment
C. The founder effect
D. Random donation of gametes to offspring
Answer: D. Random donation of gametes to offspring
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In life cycles that alternate between haploid and diploid stages, fertilization doubles the number of chromosomes per cell while ______ reduces it in half.
A. mitosis B. meiosis C. binary fission D. syngamy
The structure labeled “A” in the figure is a(n)
a. club-shaped reproductive cell. b. zygote. c. ascus. d. gill from the underside of a mushroom. e. spore sac.
The function of the enzyme carbonic anhydrase is to
A. convert carbon dioxide to bicarbonate ions. B. convert bicarbonate ions to carbon dioxide. C. both convert carbon dioxide to bicarbonate ions and bicarbonate ions to carbon dioxide. D. convert carbon dioxide to hydroxide.
Which of the following is/are a reservoir for Francisella tularensis?
A) rabbits B) ticks C) humans D) rabbits and ticks E) humans, rabbits and ticks