The Wide Variation in Skin Color in Humans Is Best

question 44

Multiple Choice

The wide variation in skin color in humans is best explained by

• A)Skin color is a polygenic trait.
• B)Skin color is influenced by environmental changes like improvements in diet.
• C)Skin color is influenced by an X-linked gene.
• D)Skin color is influenced by a Y-linked gene.
• E)Skin color is influenced by crossing over.

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Definitions:

Stagflation

A situation in the economy where inflation and unemployment rates are high simultaneously.

Keynesian Demand Management

A strategy based on Keynesian economics that entails adjusting the level of demand in the economy through monetary and fiscal policy to manage economic cycles.

Economy Control

The use of various tools and policies by a government to regulate and oversee the economy’s health and stability.

Stagflation

A condition of slow economic growth and relatively high unemployment – a period of stagnation – accompanied by rising prices (inflation).