Sister chromatid

Definition

A sister chromatid consists of one of two identical halves of a duplicated chromosome, joined together at a region called the centromere. During cell division, sister chromatids separate to ensure each new cell receives an identical set of genes.

Related terms

Chromosome:

A structure within the cell that contains DNA and protein and carries genetic information.

Centromere: The specialized region on a chromosome where two sister chromatids are joined together.

Cell Division: The process by which a parent cell divides into two or more daughter cells, ensuring genetic material is accurately distributed