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Essentials of Molecular Biology by Malathi V.

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2

Gene Organization

CONCEPT OUTLINE
  • Introduction
    • Genes
    • Non-coding DNA
    • Repetitive DNA sequences
    • Satellite DNAs
    • Cot value – Renaturation kinetics of DNA
    • Chromatin
    • Chromosomes
    • Prokaryotic gene organization
    • Gene organization in eukaryotes
INTRODUCTION

The hereditary nature of every living organism is defined by its ‘genome’. The genome consists of a long sequence of nucleic acid that provides the information needed to construct an organism. A genome consists of the entire set of chromosomes for any particular organism. It, therefore, comprises a series of DNA molecules (one for each chromosome), each of which contains many genes. The genome itself does not perform any function, rather a sequence of nucleic acids determines the hereditary ...

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