A Group Is Experimenting with Selection in an Insect Species

question 7

Multiple Choice

A group is experimenting with selection in an insect species due to exposure to a newly developed insecticide, cpd AW143. The group has found that after 10 generations of exposure, the population is now bimodal in its response to the drug. Close to 30% of the population are completely normal while 70% live only about 1/6 of the normal lifetime. This is an example of __________.

• A)threshold effect
• B)stabilizing selection
• C)additive genes
• D)directional selection
• E)disruptive selection

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Definitions:

Market Value

The estimated amount for which an asset or company could be sold on the open market.

Optimal Distribution Policy

The distribution policy that maximizes the value of the firm by choosing the optimal level and form of distributions (dividends and stock repurchases).

Capital Gains

Capital gains are the profits realized from the sale of assets such as stocks, bonds, or real estate, which exceed the purchase price of these assets.

Stock Dividends

The payment of additional shares of a company to its existing shareholders instead of cash.