According to the Neutral Theory of Molecular Evolution

question 182

Multiple Choice

According to the neutral theory of molecular evolution,

• A) most alleles found in natural populations are neutral.
• B) nearly all mutations have some effect on the organism.
• C) the rate of fixation of neutral mutations is much faster in small populations than it is in large ones.
• D) molecular clocks do not work.
• E) neutral mutations accumulate through genetic drift.

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Definitions:

Lone Pair

A pair of valence electrons in an atom that is not shared with another atom and does not participate in bonding.

Physostigmine

An alkaloid used as a drug to treat glaucoma and anticholinergic poisoning, acting as a reversible cholinesterase inhibitor.

Glaucoma

A group of eye conditions that damage the optic nerve, often associated with increased pressure in the eye.

Basic

A description for substances that have a pH greater than 7 and can accept protons or donate electrons.