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In terms of natural selection, what is a "detrimental mutation"? O One that has a negative effect on fitness in a given environment O One that does not affect fitness in a given environment One that has a positive effect on fitness in a given environment

In terms of natural selection, what is a "detrimental mutation"? O One that has a negative effect on fitness in a given environment O One that does not affect fitness in a given environment One that has a positive effect on fitness in a given environment

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Understanding Natural Selection: Detrimental Mutations** In the study of natural selection, students are often introduced to the concept of mutations and their effects on an organism's fitness within its environment. Here's a brief overview of detrimental mutations, based on a typical quiz question: **Quiz Question:** *In terms of natural selection, what is a "detrimental mutation"?* **Answer Choices:** 1. One that has a negative effect on fitness in a given environment 2. One that does not affect fitness in a given environment 3. One that has a positive effect on fitness in a given environment **Explanation:** A "detrimental mutation" refers to a genetic change that decreases an organism's fitness, meaning it negatively impacts the organism's ability to survive and reproduce in its specific environment. This type of mutation can lead to lower survival rates or reduced reproductive success, ultimately making the organism less competitive within its ecological niche. Mutations can vary in their impact: - **Neutral mutations** have no significant effect on fitness. - **Beneficial mutations** improve an organism's fitness. Understanding these concepts helps in grasping how populations evolve over time through the process of natural selection, where beneficial mutations are preserved and detrimental ones are typically weeded out.
Transcribed Image Text:**Understanding Natural Selection: Detrimental Mutations** In the study of natural selection, students are often introduced to the concept of mutations and their effects on an organism's fitness within its environment. Here's a brief overview of detrimental mutations, based on a typical quiz question: **Quiz Question:** *In terms of natural selection, what is a "detrimental mutation"?* **Answer Choices:** 1. One that has a negative effect on fitness in a given environment 2. One that does not affect fitness in a given environment 3. One that has a positive effect on fitness in a given environment **Explanation:** A "detrimental mutation" refers to a genetic change that decreases an organism's fitness, meaning it negatively impacts the organism's ability to survive and reproduce in its specific environment. This type of mutation can lead to lower survival rates or reduced reproductive success, ultimately making the organism less competitive within its ecological niche. Mutations can vary in their impact: - **Neutral mutations** have no significant effect on fitness. - **Beneficial mutations** improve an organism's fitness. Understanding these concepts helps in grasping how populations evolve over time through the process of natural selection, where beneficial mutations are preserved and detrimental ones are typically weeded out.
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