Population Bottlenecks Can Lead to the Fixation or Loss of Alleles

question 23

Multiple Choice

Population bottlenecks can lead to the fixation or loss of alleles in otherwise large populations because the bottleneck

• A)selectively eliminates or fixes alleles.
• B)reduces the effective population size to close to the size of the bottleneck.
• C)allows migrant alleles to overwhelm native alleles.
• D)A and B
• E)All of the above

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Definitions:

Syntax

Syntax refers to the set of rules, principles, and processes that govern the structure of sentences in a given language, including the order of words.

Semantics

The branch of linguistics that studies the meanings of words, their historical and psychological development, their connotations, and their relation to one another.

Phonemes

The basic units of sound in a language that distinguish one word from another; for example, the difference between the consonant sounds in "pat" and "bat."

Receptive Language

The ability to understand or comprehend language heard or read, an essential aspect of language development.