Definition, Meaning & Synonyms
centromere
noun
/ˈsɛntrəˌmɪr/
Definition
The centromere is a region of a chromosome that links sister chromatids (the two identical copies of a chromosome) and is essential for proper chromosome segregation during cell division.
Examples
- The centromere plays a crucial role in cell division.
- During mitosis, the spindle fibers attach to the centromere of each chromosome.
- Errors in centromere function can lead to genetic disorders.
Meaning
It is the part of a chromosome that helps ensure that DNA is accurately divided into daughter cells during mitosis and meiosis.
Synonyms
- chromosomal centromere
- kinetochore (when referring to the protein complex at the centromere)