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Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052

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BuyFindarrow_forward

Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052
Chapter 4, Problem 24QP
Textbook Problem
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Non-Mendelian Inheritance: Maternal Mitochondrial Genes

How is mitochondrial DNA transmitted?

Summary Introduction

To explain: The ways in which mitochondrial DNA (deoxyribonucleic acid) is transmitted.

Introduction: Cytoplasmic organelle, mitochondria, synthesize the energy-rich ATPs (Adenosine Triphosphate) molecules to provide energy to the body. ATP is used in various metabolic processes of the body. That is why mitochondria are also called the powerhouse of the cell.

Explanation of Solution

Mitochondria have its own genes that encode for DNA polymerase, which helps in the replication of mitochondrial DNA. Mitochondria can replicate without the help of nuclear genes. The transmission of mitochondria from one generation to the next takes place through the cytoplasm of the mother only...

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