How does natural selection change allele frequencies in populations? A. Natural selection controls the rate of mutations. B. Natural selection selects alleles that improve fitness. C. Natural selection has no control over allele frequency changes.
How does natural selection change allele frequencies in populations? A. Natural selection controls the rate of mutations. B. Natural selection selects alleles that improve fitness. C. Natural selection has no control over allele frequency changes.
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
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![## Changes in the Population
There are four major types of selection when it comes to changes being made in an ecosystem.
### Natural Selection
Natural Selection is the process of selecting traits that makes an organism most successful in its given environment.
### Directional Selection
Directional Selection is when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end.
### Stabilizing Selection
Stabilizing Selection is when individuals near the center of a curve have higher fitness than individuals at either end.
### Disruptive Selection
Disruptive Selection is when individuals at the upper and lower ends of the curve have higher fitness than individuals near the middle.
---
## How does natural selection change allele frequencies in populations?
- **A.** Natural selection controls the rate of mutations.
- **B.** Natural selection selects alleles that improve fitness.
- **C.** Natural selection has no control over allele frequency changes.
---
*Copyright © 2003–2022 International Academy of Science. All Rights Reserved.*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49bbe1c3-60f8-4197-a6c0-626a2bb2769f%2F4c43d411-e1c7-4d0e-8ef0-2373508aa70a%2F05p44uq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:## Changes in the Population
There are four major types of selection when it comes to changes being made in an ecosystem.
### Natural Selection
Natural Selection is the process of selecting traits that makes an organism most successful in its given environment.
### Directional Selection
Directional Selection is when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end.
### Stabilizing Selection
Stabilizing Selection is when individuals near the center of a curve have higher fitness than individuals at either end.
### Disruptive Selection
Disruptive Selection is when individuals at the upper and lower ends of the curve have higher fitness than individuals near the middle.
---
## How does natural selection change allele frequencies in populations?
- **A.** Natural selection controls the rate of mutations.
- **B.** Natural selection selects alleles that improve fitness.
- **C.** Natural selection has no control over allele frequency changes.
---
*Copyright © 2003–2022 International Academy of Science. All Rights Reserved.*
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