Neutral Mutations

question 17

Multiple Choice

Neutral mutations:

• A)are not helpful in systematics.
• B)can be used to determine changes occurring in homologous genes since lineages diverged.
• C)have accumulated over time as the result of natural selection.
• D)have accumulated at a highly changeable rate over evolutionary time.
• E)account for a very small percentage of the variation in homologous genes in different groups of organisms.

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Definitions:

CVA

Cerebrovascular Accident, commonly known as a stroke, occurs when blood flow to a part of the brain is suddenly interrupted or reduced.

Thermoreceptors

Specialized sensory nerve cells that detect changes in temperature and are responsible for sensations of hot and cold.

Combining Form

A form of a word, often a prefix or suffix, that is used to create new words when combined with other words or forms.