Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 23.3, Problem 3R
Summary Introduction
To review:
The importance of gene duplication for a long-term evolutionary change.
Introduction:
Gene duplication is a way, in which the genomes acquire the new functions. In gene duplication, one copy of the gene is made free from doing the original function. The gene duplication can have many outcomes. Both the genes can retain their original functions or both genes may have the ability to produce the original gene, but they may have the ability to diverge in different tissues at different times. One gene may become incapacitated and one gene may have the original function and the second may perform differently.
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Life: The Science of Biology
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- Write a paragraph describing the evolutionary forces driving changes in the human genome. You can include evolutionary forces such as random genetic drift, mutation, migration, and natural selection. These forces would have long-term and short-term effects on coding and non-coding DNA, the abundance of transposable elements, and the birth and death of genes. You can focus on a subset of the human population, or the entire species.arrow_forwardWhat is the major difference in how duplicationshave contributed to the evolution of the genomes ofprokaryotic and eukaryotic cells?arrow_forwardWhat are transposable elements ? Explain how they contribute to the evolution of genomes ?arrow_forward
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