The Greater Ability of Adults to Integrate Thoughts and Emotions

question 62

Multiple Choice

The greater ability of adults to integrate thoughts and emotions may be attributable to

• A)increased production of androgens
• B)progressive myelination
• C)decreased production of growth hormone
• D)alterations in brain stem structures

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Definitions:

Allele Frequencies

The proportion of all copies of a given gene variant (allele) present in a particular population.

Generations

Sequential stages in the familial lineage, where an individual's successors are considered a new generation.

Disruptive Selection

A special type of directional selection in which changes in the environment favor two or more variant phenotypes at the expense of the mean. Compare with stabilizing selection and directional selection.

Directional Selection

A mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.