The Pennsylvania Amish Have a Very High Frequency of an Unusual

question 35

Multiple Choice

The Pennsylvania Amish have a very high frequency of an unusual allele that results in short arms and legs and extra fingers. This high frequency is thought to be the result of

• A) the founder effect.
• B) the addition of new members to an already established population.
• C) nonrandom mutations.
• D) coevolution.
• E) a population bottleneck.

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Definitions:

Molecule

The smallest particle of a chemical element or compound that can exist independently while retaining the characteristics of the substance.

Cellulose

A complex carbohydrate that constitutes the primary structural component of plant cell walls and is indigestible to humans.

Plant Cuticles

A protective, waxy coating on the surface of stems and leaves that prevents water loss.

Water Loss

The process by which water leaves a body or system, typically through evaporation, excretion, or perspiration.