In Round Figures, Approximately ______ of North Americans of European

question 100

Multiple Choice

In round figures, approximately ______ of North Americans of European descent are lactose intolerant.

• A) 5%
• B) 10%
• C) 20%
• D) 25%

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Definitions:

Tissue Composition

The combination and organization of various cell types and extracellular matrix components that form a tissue in an organism.

Pleiotropic Genes

Genes that have an effect on multiple, seemingly unrelated phenotypic traits, reflecting the complexity of gene expression in organisms.

Phenotype

The set of observable characteristics or traits of an organism resulting from the interaction of its genotype with the environment.

Black Hair

A hair color type characterized by the presence of eumelanin, resulting in a darker shade.