Answered: Most Mutations that Affect…

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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Most Mutations that Affect Gene
Expression Reduce Gene Function WHy?

Expert Solution

Step 1

Gene contains the sequence of the amino acids which is transcribed into mRNA and translated into protein. Protein is responsible for expression of the gene.

Step 2

Now, mutation occurs in the gene. As a result, the sequence of the protein which is encoded by the gene may alter.

So, after translation, a non-functional protein is produced.

As the protein is responsible for expression of the gene but the non-functional protein can't function efficiently.

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