A Leading Theory of Phantom Limb Pain Holds That This

question 21

Multiple Choice

A leading theory of phantom limb pain holds that this experience is due to

• A)memories of previous pain.
• B)leftover nerve endings in the missing body part.
• C)the rewiring of the brain after the loss of input from the lost limb.
• D)the release of inflammatory substances that trigger the pain response.

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Definitions:

Hardy-Weinberg Equation

A principle used in genetics to calculate the frequency of alleles and genotypes in a population's gene pool under ideal conditions.

Recessive Allele

An allele that only expresses its phenotype when two copies are present, as opposed to when a dominant allele is present.

Derived Trait

An evolved feature that distinguishes a species from its ancestors, arising during the species' history.

Phylogenic Study

The study of the evolutionary development and diversification of a species or group of organisms.