Which, If Any, of the Following Statements Is False

question 45

Multiple Choice

Which, if any, of the following statements is false?

• A) A null allele is one where the gene has been deleted or received an inactivating mutation causing complete loss of gene function.
• B) Inactivating point mutations are a common cause of pathogenesis in recessively inherited disorders.
• C) Inactivating point mutations are a common cause of pathogenesis in dominantly inherited disorders.
• D) When a gain-of-function allele is known to be pathogenic in a single gene disorder, a heterozygote will always show disease symptoms.

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Definitions:

Independent Variable

The factor in a study that the experimenter alters to see how it impacts the outcome variable.

Dependent Variable

A variable in an experiment or study whose changes depend on the manipulation of the independent variable.

Interaction Effect

A situation in statistical analysis where the effect of one independent variable on the dependent variable is different at different levels of another independent variable.

Main Effect

The effect of an independent variable on a dependent variable, isolated from other variables in an experimental study.