One Hereditary Disease in Humans, Called Xeroderma Pigmentosum (XP), Makes

question 4

Multiple Choice

One hereditary disease in humans, called xeroderma pigmentosum (XP) , makes homozygous individuals exceptionally susceptible to UV-induced mutation damage in the cells of exposed tissue, especially skin. Without extraordinary avoidance of sunlight exposure, patients soon succumb to numerous skin cancers. Which of the following best describes this phenomenon?

• A)inherited cancer taking a few years to be expressed
• B)embryonic or fetal cancer
• C)inherited predisposition to mutation
• D)inherited inability to repair UV-induced mutation
• E)susceptibility to chemical carcinogens

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Definitions:

Demand Curve

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

Inelastic

A situation in which the demand or supply for a good or service is relatively unresponsive to changes in price.

Price Elasticity

The measurement of demand's elasticity to price changes for a particular good.

Midpoint Formula

A method used in mathematics to calculate the midpoint, or average, of two points on a line segment.