Hardy-Weinberg Equilibrium Must Occur in Populations Wherein

question 19

Multiple Choice

Hardy-Weinberg equilibrium must occur in populations wherein

• A) an allele remains fixed.
• B) no genetic variation exists.
• C) natural selection is not operating.
• D) All three of the responses above are correct.
• E) Only two of the responses above are correct.

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Definitions:

Terrace Farming

An agricultural practice of making flat areas or terraces on hilly terrain to prevent erosion and runoff, improve irrigation, and increase usable farming area.

Cover Crops

Plants grown primarily to benefit the soil and ecosystem, rather than for harvested crops, through means like erosion prevention and weed suppression.

Underground Water

Water that exists beneath the Earth's surface in soil pore spaces and in the fractures of rock formations, also known as groundwater.

Radioactive Decay

The process by which an unstable atomic nucleus loses energy by emitting radiation, such as alpha particles, beta particles, or gamma rays.