In Paralytic Polio,what Structures Are Damaged

question 24

Multiple Choice

In paralytic polio,what structures are damaged?

• A)peripheral nerves
• B)diaphragm
• C)anterior horn cells
• D)sensory nerves
• E)brain stem

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Definitions:

Stabilizing Selection

A type of natural selection that favors intermediate variants by acting against extreme phenotypes, leading to a decrease in a population's genetic variance.

Clutch Size

The number of eggs laid or offspring produced by an animal, particularly birds, at one time or during one breeding session.

Directional Selection

is a type of natural selection that favors one extreme phenotype over others, causing a shift in allele frequency over time.

Genetic Drift

A mechanism of evolution that results in random changes in the frequency of alleles within a population over time.