Which of the following is a reason that the low error rate of DNA replication is important to evolution? Replication with a high error rate is likely to kill the cell. Fixing replication errors provides a cellular role for mismatch repair enzymes. Rare errors are the source of variation. Most mutations have no effect on phenotype.

Which of the following is a reason that the low error rate of DNA replication is important to evolution? Replication with a high error rate is likely to kill the cell. Fixing replication errors provides a cellular role for mismatch repair enzymes. Rare errors are the source of variation. Most mutations have no effect on phenotype.

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter16: Reproductive Technology, Genetic Testing, And Gene Therapy

Section: Chapter Questions

Problem 14QP: Is gene transfer a form of eugenics? Is it advantageous to use gene transfer to eliminate some...

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

Which of the following is a reason that the low error rate of DNA replication is
important to evolution?
Replication with a high error rate is likely to kill the cell.
Fixing replication errors provides a cellular role for mismatch repair enzymes.
Rare errors are the source of variation.
Most mutations have no effect on phenotype.

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The word “theory” in theory of evolution is best replaced by______. a. fact b. hypothesis c. idea d. alternate explanation
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Similarities in ___________ are the basis of similarities in traits. a. karyotype c. the double helix b. DNA sequence d. chromosome number
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