When a Small Part of a Population with a Unique

question 39

Multiple Choice

When a small part of a population with a unique phenotypical characteristic migrates to a new location and begins to reproduce separately as a new, distinct group, what is this process called?

• A) gene flow
• B) founder effect
• C) gene migration
• D) genetic mutation

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Definitions:

Occipital Bone

The trapezoidal-shaped bone at the lower back part of the skull, forming the back and base of the cranium and containing the foramen magnum.

Parietal Bone

One of two bones forming the sides and roof of the cranium.

Temporal Bone

A pair of bones forming part of the side of the skull, housing structures of the ear and contributing to the cranial cavity's protection.

Ethmoid Bone

A spongy bone located between the eyes that contributes to the medial walls of the orbits, the roof of the nasal cavity, and the nasal septum.