As a Result of a Decrease in the Price of a Hamburger

question 271

Multiple Choice

As a result of a decrease in the price of a hamburger, consumers buy more hamburgers and fewer frankfurters.This is an illustration of:

• A)consumer sovereignty.
• B)the income effect.
• C)the substitution effect.
• D)changing tastes and preferences.

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Definitions:

Nonrandom Mating

A mating pattern in which individuals do not mate by chance, but rather according to their genotypes or phenotypes.

Inbreeding

The mating of closely related individuals, leading to an increase in the probability of offspring inheriting genetic disorders and reduced genetic diversity.

Hardy-Weinberg Equilibrium

A principle stating that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of evolutionary influences.

Stabilizing Selection

Outcome of natural selection in which extreme phenotypes are eliminated and the average phenotype is conserved.