Haiti Is Settled by Peoples of Both African and European

question 9

Multiple Choice

Haiti is settled by peoples of both African and European ancestry.A young couple,both with mixed ancestry,marry and have several children.The children,who all have equal exposure to sunlight,vary widely in the amount of skin melanin.One child is lighter than both parents,and one is darker.The simple explanation for this is

• A)epistasis.
• B)multiple alleles are available for the one chromosomal locus that governs skin color.
• C)the environment influenced the phenotypes of the children.
• D)polygenic inheritance.
• E)gene linkage.

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Definitions:

Production Function

An equation that describes the maximum output of a good or service that can be produced from a set number of inputs, outlining the relationship between input usage and output levels.

Labor

The use of physical or mental labor by people to produce goods and services.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded by consumers within a certain period.

Labor Supply Curve

A graphical representation showing the relationship between the wage rate and the quantity of labor workers are willing to offer at that wage rate.