How Does Gene-Culture Co-Evolution Explain Lactase Persistence in Some Adult

question 7

Multiple Choice

How does gene-culture co-evolution explain lactase persistence in some adult populations in the world?

• A) It was an advantage to be lactose tolerant to consume cheese.
• B) Milk which was drunk in times of famine caused a mutation in the lactase gene.
• C) Adults who were able to consume milk survived better in famines and so had a selective advantage.
• D) Over time some populations developed bacteria in the gut that consume lactose.

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Definitions:

Significance

The likelihood that an observed effect or relationship in data is not due to chance, typically assessed through statistical tests.

Regression Equation

A mathematical formula that describes the relationship between two or more variables, typically identifying how one dependent variable changes as an independent variable(s) changes.

Y-intercept

The location on a graph where a line or curve intersects with the y-axis.

Multiple Correlation

A statistical technique that measures the strength of the relationship between a dependent variable and two or more independent variables.