Which of the following terms means "the all-or-none expression of an individual's genotype"?

Question

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Penetrance refers to the extent to which a particular gene or set of genes is expressed in the phenotypes of individuals carrying it. It is often described in an all-or-none fashion, meaning that a gene either has full penetrance (where all individuals with the genotype express the phenotype) or incomplete penetrance (where some do not).

Which of the Following Terms Means "The All-Or-None Expression of an Individual's