The Fact That Two Family Members Who Share a Genetic

question 9

Multiple Choice

The fact that two family members who share a genetic disease phenotype are more likely to participate in a family study than two who are discordant is a form of:

• A) Ascertainment bias
• B) Experimental selection
• C) Population stratification
• D) Type 1 error
• E) Familial aggregation

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Definitions:

Well-sorted

Describes sediment in which grains are of nearly the same size.

Sand Grains

Small particles of minerals or rocks, typically found in beaches, deserts, and riverbeds, sized between 0.0625 to 2 millimeters.

Conglomerate

A coarse-grained sedimentary rock composed of rounded fragments within a matrix of finer-grained material, often formed in riverbeds.

Shells

Hard, protective outer layers created by animals that live in the sea.