Color is an inherited trait in beetles. If brown beetles move into a population from a nearby island, which of the following statements is correct?
A. Gene flow causes the frequency of the green allele to increase.
B. Gene flow causes the frequency of the brown allele to increase.
C. Natural selection causes the frequency of the green allele to increase.
D. Natural selection causes the frequency of the brown allele to increase.
E. This is an example of genetic drift.
B. Gene flow causes the frequency of the brown allele to increase.
You might also like to view...
The body's non-inducible, preexisting ability to recognize and destroy pathogens or their products is called
A) adaptive immunity. B) innate immunity. C) phagocytosis. D) cytotoxic response.
Gastrulation producesa(n) ____
a. hollow balls of cells b. embryo with germ layers c. solid balls of cells d. haploid cells e. yolk sac
Gums bleeding while brushing one's teeth is most commonly associated with
A) halitosis. B) cavities. C) gingivitis. D) periodontitis. E) trench mouth.
What is the name of the frigid ecosystem bordering the North Pole?
A. prairies B. taiga C. coniferous forests D. temperate forests E. tundra