If Natural Selection in a Particular Environment Favored Genetic Systems

question 55

Multiple Choice

If natural selection in a particular environment favored genetic systems that permitted the production of daughter "cells" that were genetically dissimilar from the mother "cells," then one should expect selection for I. polynucleotide polymerase with low mismatch error rates.
II. polynucleotide polymerases without proofreading capability.
III. batteries of efficient polynucleotide repair enzymes.
IV. polynucleotide polymerases with proofreading capability.
V. polynucleotide polymerases with high mismatch error rates.

• A)I only
• B)I and IV
• C)I, III, and IV
• D)II and V
• E)II, III and V

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Definitions:

Operant Conditioning

A method of learning that employs rewards and punishments for behavior.

Operant Conditioning

An educational method where the intensity of a behavior is adjusted by rewards or consequences.

Vicarious Learning

Learning that occurs by observing the actions and outcomes of others’ behavior, rather than through direct experience.

Rewarded

Given something, usually of value or significance, in recognition of service, effort, or achievement.