When male lions reach sexual maturity, they leave their group in search of a new pride. This can alter the allele frequencies of the population through which of the following mechanisms?

a. Natural selection
b. Genetic drift
c. Gene flow
d. Random mating


Ans: c. Gene flow

Biology & Microbiology

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Indicate whether the statement is true or false.

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An arrangement of microtubules located in the matrix of cilia and flagella is called the ________.

A. axial filament B. axial bundle C. axillary tubule D. axoneme

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Would plant roots exhibit gravitropism in outer space? Why or why not? What will be an ideal response?

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Monosaccharides may be characterized by all

EXCEPT which of the following? a. a ketone group b. carbon, hydrogen, and oxygen in a 1:2:1 ratio c. a backbone of five to six carbon atoms d. one aldehyde group e. the presence of glycerol and fatty acids

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