Biological Science (6th Edition)

Published by Benjamin Cummings
ISBN 10: 0321976495
ISBN 13: 978-0-32197-649-9

Chapter 4 - Nucleic Acids and the RNA World - Review - Case Study - Page 106: 11

Answer

A DNA sequence carries nucleotides in a particular order, and various physical characteristics of the organism can be attributed to it. The DNA sequence forms the basis for various important chemical processes. However, if the model proposed by Levene were correct, information stored within DNA would be limited. This would mean that all organisms would carry the same genetic information and would show limited genetic variation.

Work Step by Step

The order of bases organized in genes stores genetic information that is responsible for producing functional proteins. DNA serves as a blueprint for the functioning of each cell. Genetic information in DNA determines the differentiation of cells into different tissues and organs. The genetic information of DNA involves traits like skin colour, hair colour and eye colour and it passes from parents to offspring.
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