If Natural Selection in a Particular Environment Favored Genetic Systems

question 47

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 which of the following?
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:

Brain Myelination

The process of forming a myelin sheath around the nerves in the brain, which improves the speed and efficiency of electrical signals transmission between neurons.

Sensory Problems

Difficulties in processing information from the senses, leading to over-sensitivity or under-sensitivity to environmental stimuli.

Cognitive Functioning

pertains to the mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

Infancy

Infancy is the period in human development that spans from birth to the end of the 12th month, characterized by rapid growth and development on multiple fronts.