If a Geneticist Describes a Trait as Being 70% Penetrant

question 7

Multiple Choice

If a geneticist describes a trait as being 70% penetrant, what would they mean?

• A) The expression of the trait varies by individual
• B) It is lethal in 30% of the individuals who have the trait
• C) Only 70% of the individuals who carry the trait express the trait
• D) The trait is present in 70% of the population

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Definitions:

Probability

A numerical expression between 0 and 1 that indicates how probable an event is to take place.

Acceptance Sampling

A statistical quality control method that determines whether to accept or reject a batch of products based on a sample taken from the batch.

Defectives

Items or units that fail to meet the quality criteria set for them and are therefore considered unacceptable for use.

Probability

The branch of mathematics concerned with the analysis and interpretation of numerical data based on the likelihood of different outcomes.