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histone
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Histones and nucleosomes centromere and chromatids in cell division DNA wraps around proteins called histones to form units known as nucleosomes. These units condense into a chromatin fibre, which condenses further to form a chromosome. Epigenetics studies have revealed that chemical modifications to histones can be inherited and define how the information in genes is expressed and used by cells.
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Histones and nucleosomes
centromere and chromatids in cell division
DNA wraps around proteins called histones to form units known as nucleosomes. These units condense into a chromatin fibre, which condenses further to form a chromosome. Epigenetics studies have revealed that chemical modifications to histones can be inherited and define how the information in genes is expressed and used by cells.
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Key People

Venki Ramakrishnan
Indian-born physicist and molecular biologist