Answered: _____ is the combination of a seat,…

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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Question

_____ is the combination of a seat, elation, another modifications to the histones that allow for changes in DNA winding and unwinding

a. Epigentics

b. Histone code

c. Heterochromatin

d. Post translational modifications

Expert Solution

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Epigenetics is the study of stable phenotypic changes which do not involve alterations in DNA sequence.

*Epigenetics involves in changes which affect gene activity and expression Such effects on cellular and physiological phenotypic traits may came from external factors.

*"Histone code” is a hypothesis that states that DNA transcription is regulated by means of post translational modifications to histone proteins. Through these a person phenotype can change without changing their genetic makeup and controlling gene expression.

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