Biology: Science For Life With Physiology Plus Mastering Biology With Pearson Etext -- Access Card Package (6th Edition) (what's New In Biology)
6th Edition
ISBN: 9780134794679
Author: BELK
Publisher: PEARSON
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Chapter 13, Problem 3LTB
Summary Introduction
To write:
The three ways by which evolution can take place through genetic drift.
Introduction:
Genetic drift (allelic drift) can be defined as the variation in the frequency of an existing allele in a population due to an accidental sampling of organisms. Allele frequency of a population is the fraction of the copies of one gene which share a specific form.
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Define genetic drift and how does it contribute to the evolution of a population?
Describe three or more genetic mechanisms that may lead to the rapid evolution of a new species. Which of these genetic mechanisms are influenced by natural selection, and which are not?
Which of the following conditions are required for natural selection?
Chapter 13 Solutions
Biology: Science For Life With Physiology Plus Mastering Biology With Pearson Etext -- Access Card Package (6th Edition) (what's New In Biology)
Ch. 13 - Define biological species.Ch. 13 - Prob. 2LTBCh. 13 - Prob. 3LTBCh. 13 - Prob. 4LTBCh. 13 - Prob. 5LTBCh. 13 - Prob. 6LTBCh. 13 - The biological definition of race corresponds to...Ch. 13 - All of the following statements support the...Ch. 13 - Similarity in skin color among different human...Ch. 13 - Prob. 10LTB
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- Explain genetic drift (and it’s various types) as a force of evolution (how does genetic drift contribute to biological change?)arrow_forwardGenerally, will natural selection result in an increase or decrease in variation? Why does this happen, and how, in theory, will it affect evolution in the future?arrow_forwardHow is evolution through random processes different than evolution through natural selection?arrow_forward
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