A Scientist Discovers a DNA-Based Test for the Allele of a Particular

question 79

Multiple Choice

A scientist discovers a DNA-based test for the allele of a particular gene. This and only this allele, if homozygous, produces an effect that results in death at or about the time of birth. Of the following, which is the best use of this discovery?

• A)To screen all newborns of an at-risk population
• B)To design a test for identifying heterozygous carriers of the allele
• C)To introduce a normal allele into deficient newborns
• D)To follow the segregation of the allele during meiosis
• E)To test school-age children for the disorder

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Definitions:

Target Population

The population for which statistical inferences such as point estimates are made. It is important for the target population to correspond as closely as possible to the sampled population.

Sampled Population

A subset of individuals or items selected from the larger population for the purpose of statistical analysis.

Population Parameter

A characteristic or measure that describes an aspect of an entire population, such as the mean or variance.

Sample Statistic

A numerical measure that describes an aspect of a sample drawn from a population.