Genetic Drift Results in a Change in Gene Frequencies Because

question 11

Multiple Choice

Genetic drift results in a change in gene frequencies because:

• A)gene flow within the population is less than gene flow between populations.
• B)the population is so large that natural selection has little noticeable effect.
• C)the population size is so small that chance occurrences can alter gene frequencies.
• D)the population has not yet stabilized.

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Definitions:

Depth of Filling

The extent to which a cavity or mold is filled with material during a manufacturing or casting process.

Spur Gears

A type of gear with straight teeth mounted on a parallel shaft, used for transmitting motion and torque.

Pitch Diameter

The diameter of an imaginary circle on a gear or screw, where the width of the gear tooth and the space between teeth are equal.

Reciprocating Motion

A type of mechanical motion where an object moves back and forth along a straight path, common in pistons and pumps.