Which of the following are examples of genetic drift?

A. Bottle Neck Effect
B. Founder Effect
C. Random Mating
D. A & B only
E. A, B, & C


Answer: D. A & B only

Biology & Microbiology

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Serial repetition of segments is a defining characteristic of which worm phylum?

A) Flatworms B) Annelids C) Roundworms D) Segmentation is not a defining characteristic of any of the worm phyla.

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By the time pyruvate is formed, most of the energy contained in glucose has been released.

a. true b. false

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What is the role of lenses in microscopy?

a. Lenses focus either light or electrons to create a magnified image of a specimen. b. Lenses are only used to magnify specimens that are smaller than whole red blood cells. c. Lenses increase the contrast to determine structural differences in stained specimens.

Biology & Microbiology