Variations within a population are maintained by
A. mutation
B. genetic recombination due to fertilization
C. gene flow
D. all of the choices are correct
Answer: D. all of the choices are correct
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Any microorganism that spends a portion of its life associated with another organism of a different species is engaged in
A. parasitism. B. synergy. C. commensalism. D. symbiosis.
Amylose is a polymer made up of glucose monomers joined by ____
a. b(1-4) linkages b. b(1-6) linkages c. a(1-4) linkages d. a(1-6) linkages e. both b(1-4) and a(1-6) linkages
Which of the following is a genetically modified crop species?
a. corn b. peppers c. radishes d. asparagus
Evolution can be defined as
A) one species diverging into two species. B) a change in the genetic makeup of a population over time. C) a change in the phenotype of an individual over his or her lifetime. D) a change in the genetic makeup of an organism over time. E) an individual changing into another species.