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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What are the important characteristics of an epigenetic trait?
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Step 1
Epigenetic is refers to the external alteration in DNA that can affect the activity of the gene. They can decrease the expression of genes also they can enhance the expression of genes. Whereas, these changes can not alter the sequence of DNA but affect the cell activity to read genes. It can affect the physical structure of any DNA molecule. For example, in DNA methylation any attachment of the methyl group to any region of DNA molecule can halt some gene from being expressed.
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