An Allele That Increases the Ability to Digest Lactose, the Sugar

question 204

Short Answer

An allele that increases the ability to digest lactose, the sugar in milk, increased in frequency in human populations in which cows were herded.This is an example of _______ selection.

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Definitions:

Price Level

The average of current prices across the entire spectrum of goods and services produced in the economy, often measured by a price index.

Risk-Free Rate

The rate of return on an investment with no risk of financial loss, typically represented by the yield on government bonds.

Market Risk Premium

The extra return investors expect to earn from holding a risky market portfolio instead of risk-free securities.

Beta

An indicator of how much a stock fluctuates in comparison to the general market, with a beta above 1 signifying more volatility than the market average.