Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Oogenesis
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Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
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Concept and characteristics of Chromosomes.

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Chromosomes:A molecule of DNA having all genetic information of an organisms.

They are threadlike structure of cell which carries genetic information in form of genes

Chromosomes have a complex structure which is three dimensional and plays a crucial role in regulation of transcription.

Chromosome word comes from Greek word color,which is chroma and soma for body.

Hence the word Chromosome.

Each chromosome is made up of DNA which is tightly coiled around histones proteins for structural support.

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