The neutral theory of molecular evolution, as developed by Kimura, posits that ________

A) functionally neutral mutations that become fixed in populations occur in much larger numbers than those that become fixed by natural selection
B) functionally neutral mutations never become fixed in populations without some element of selection also acting on them
C) functionally neutral mutations are not subject to genetic drift
D) functionally neutral mutations contribute very little to changes at the molecular level


A

Biology & Microbiology

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Which of the following mutations will not alter the amount of genetic material on the chromosomes?

A. duplication B. inversion C. simple translocation D. deficiency E. inversion and simple translocation

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Which of the following is a reason to graft

plants?

a. to maintain the quality of a plant b. to increase the hardiness of a plant c. to avoid plant diseases d. to produce seedless fruits e. all of these are reasons to graft plants

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What type of trait is the result of the expression of two or more genes?

a. pleiotropy b. polygenic c. codominance d. penetrance e. multifactorial

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The Human Genome Project has the potential to ________

A) lead to treatments for inherited diseases B) lead to treatments for contagious diseases C) increase our understanding of the historical relationships among species D) play a role in all of the choices listed here

Biology & Microbiology