Which of the following is most likely to produce an African butterfly species in the wild whose populations show two strikingly different color patterns?
A) artificial selection
B) directional selection
C) stabilizing selection
D) disruptive selection
E) sexual selection
Answer: D
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Which of the following is known for having an alternation of generations life cycle?
a. humans b. plants c. fungi d. bacteria
Select from the choices below the statement that best describes the effect of the migration of individuals into a population
a) migration of individuals into a population generally increases the genetic variability within a population b) migration of individuals into a population generally decreases the genetic variability within a population c) migration of individuals into a population generally causes that population to diverge to the extent that it becomes a new species d) migration of individuals into a population generally causes no change in the genetic variability within a population because it is a case of artificial selection e) both the first and third answer choices are correct
Ray is considered a universal donor. His blood type is
A. A. B. O. C. AB. D. B.
Which of the following mutagens is most different than the others in terms of its effect on DNA?
A. Base analogue B. Planar mutagen that inserts between stacked bases C. Acridine orange D. Intercalating agent