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Campbell Biology | 10th Edition | ISBN: 9780321775658 | Authors: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
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Solution: WRITE ABOUT A THEME: INFORMATION The continuity of life is based on heritable

Chapter 21, Problem 7

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QUESTION:

WRITE ABOUT A THEME: INFORMATION The continuity of life is based on heritable information in the form of DNA. In a short essay (100150 words), explain how mutations in protein-coding genes and regulatory DNA contribute to evolution.

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QUESTION:

WRITE ABOUT A THEME: INFORMATION The continuity of life is based on heritable information in the form of DNA. In a short essay (100150 words), explain how mutations in protein-coding genes and regulatory DNA contribute to evolution.

ANSWER:


Mutations are changes to an organism’s genetic makeup and can occur in either the coding DNA which codes for proteins, or the regulatory DNA which dictates the production and regulation of proteins in the organism.

Regarding protein-coding genes, these mutations can be in the form of insertions or deletions of DNA base pairs, or point mutations which alter one base pair in the gene. Such changes can result in a different amino acid being coded for in the sequence, resulting in a

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