Cornwallis Was Defeated at Yorktown Because

question 29

Multiple Choice

Cornwallis was defeated at Yorktown because

• A) he had no land or water escape route.
• B) he was overwhelmed by Washington's much larger and better-trained army.
• C) General Clinton had withdrawn from Yorktown, leaving Cornwallis vulnerable.
• D) most of his troops were cold, starving, and ready to surrender.
• E) King George III ordered an end to the war.

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Definitions:

Stabilizing

A type of natural selection that favors the average individuals in a population, thereby maintaining the population's genetic variation.

Directional

In evolutionary biology, a type of natural selection that favors one extreme phenotype over others, causing a shift in the population's phenotypic distribution over time.

Additive Alleles

Alleles that contribute to the phenotype in a way that the effects of individual alleles add up to produce the overall phenotype.

Epistatic Alleles

Genetic alleles that mask the effect of alleles at other loci in determining phenotypic expression.