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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 9, Problem 8QP
Textbook Problem
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The following segment of DNA codes for a protein. The uppercase letters represent exons. The lowercase letters represent introns. The lower strand is the template strand. Draw the primary transcript and the mRNA resulting from this DNA.

Chapter 9, Problem 8QP, The following segment of DNA codes for a protein. The uppercase letters represent exons. The

Summary Introduction

To determine: The primary transcript and the mRNA resulting from the given DNA strands.

Introduction: The DNA is packed in the nucleus to form thread-like structures known as chromosomes. Chromosomes contain histone proteins around which DNA are tightly coiled many times. The chromosomes are present in the nucleus of the cell.

Explanation of Solution

Transcription process involves the production of an RNA molecule from DNA with the help of RNA polymerase. During transcription, different bases such as adenine bind to thymine, uracil bind to adenine, cytosine bind to guanine, and guanine bind to cytosine. Therefore, the primary transcript would be:

CGAUUUACCGUuuuaacggccuacugCGUGUAACUGAGCCuuagcuCCAGUCUACG

GCUAAAUGGCAaaauugccggaugacGCACAUUGACUCGGaaucgaGGUCAGAUGC

In a eukaryotic cell, a DNA strand contains both, coding and non-coding part known as exons and introns respectively...

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