Random Changes in Gene Frequencies from One Generation to the Next

question 34

Multiple Choice

Random changes in gene frequencies from one generation to the next due to a sudden reduction in population size and resulting in the loss of particular alleles is known as

• A) gene flow.
• B) genetic drift.
• C) mutation.
• D) natural selection.

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Definitions:

Extensor Digitorum

A muscle in the forearm that extends the fingers and the wrist, aiding in movements such as opening the hand.

Extensor Carpi Ulnaris

A muscle in the forearm that extends and adducts the wrist, playing a key role in the movement of the hand and wrist.

Palmaris Longus

A muscle in the forearm that is associated with the flexion of the wrist and is absent in some individuals.

Gluteus Maximus

The largest and most superficial of the three gluteal muscles, involved in the movement of the hip and thigh.