Centromere

Pronunciation
/sen-troh-meer/
Category
Genetics
Singular
Centromere
Plural
Centromeres

Definition

A region of a chromosome to which spindle fibers attach during mitosis and meiosis.

Etymology

From Greek 'kentron', meaning 'center', and '-meros', meaning 'part'.

Example

The position of the centromere determines whether the chromosome will appear as a rod, a J, or a V during migration of the chromosome to the poles in anaphase.

Related Terms