What is NOT true about mutations? Group of answer choices Without mutations, there would be no genetic variation Mutations are usually deleterious Mutations are a relatively weak force of evolution Mutations are always balanced with natural selection

What is NOT true about mutations? Group of answer choices Without mutations, there would be no genetic variation Mutations are usually deleterious Mutations are a relatively weak force of evolution Mutations are always balanced with natural selection

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter19: Population Genetics And Human Evolution

Section: Chapter Questions

Problem 19QP: Measuring Genetic Diversity in Human Populations The theory of natural selection has been summarized...

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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

What is NOT true about mutations?

Group of answer choices

Without mutations, there would be no genetic variation

Mutations are usually deleterious

Mutations are a relatively weak force of evolution

Mutations are always balanced with natural selection

Definition Definition Genetic variation refers to the differences in DNA sequence among individuals of the same species. These variations can occur due to mutations, genetic recombination, and natural selection. Genetic variation plays an important role in evolution, as it allows for the selection of traits that enhance the survival and reproduction of organisms in changing environments.

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