Human Heredity: Principles and Iss...

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



Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052
Chapter 9, Problem 1QP
Textbook Problem

The Link Between Genes and proteins

The genetic material has to store information and be able to express it. What is the relationship among DNA, RNA, proteins, and phenotype?

Summary Introduction

To explain: The relationship between DNA, RNA, proteins, and phenotype.

Introduction: The amino acids are the constituents of protein that are linked together with the help of chemical bonds. Proteins are the building blocks of the body that are produced by the DNA through translation. The DNA undergoes transcription, which results in the production of RNA, and it further leads to the production of protein.

Explanation of Solution

DNA is described as genetic material that has a different combination of base pairs and stores the information to make proteins. These different base pairs include cytosine, adenine, guanine, and thymine.

RNA stands for ribonucleic acid. There are three types of RNA: messenger RNA (mRNA), transfer RNA (tRNA), and ribosome RNA (rRNA). mRNA reads DNA by the base pairing adenine, uracil, guanine, and cytosine to the complementary DNA in a process called transcription. tRNA and rRNA help in the production of amino acids by mRNA in a process called translation.

The chain of amino acids that are produced during the translation process can be a polypeptide or a functional protein...

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