Talking Glossary of Genetic Terms

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William Pavan, Ph.D. defines Chromatid

Chromatid

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A chromatid is one of two identical halves of a replicated chromosome. During cell division, the chromosomes first replicate so that each daughter cell receives a complete set of chromosomes. Following DNA replication, the chromosome consists of two identical structures called sister chromatids, which are joined at the centromere.

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