The process that probably accounts for most changes in the mix of alleles in a gene pool is

a. cloning.
b. mitosis.
c. meiosis.
d. natural selection.
e. genetic drift


D

Biology & Microbiology

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Which of the following do dinoflagellates most commonly associate with in a mutualistic relationship?

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Prokaryotes reproduce rapidly and this allows genetic variation to spread quickly through a population. Two processes can create new variations in prokaryotic populations. Select the choice with those two processes.  

A.  mutation and phage viral attack B.  phage viral attack and genetic recombination C.  genetic recombination and nondisjunction D.  genetic recombination and mutation E.  genetic recombination and rapid cell division

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What is the cost of being a carnivorous plant?

A. reduced photosynthesis B. reduced respiration C. reduced water D. reduced mobility E. reduced nutrients

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One of the drawbacks to using pheromones for communication is:

a. they are effective only at night. b. they can only affect unrelated species. c. they are toxic to unrelated species. d. they require little energy for production. e. they can transmit only a limited amount of information.

Biology & Microbiology