noun
- plural of chromatid: either of the two identical copies of a chromosome that are joined at the centromere during cell division
Usage: biology
Examples
- The chromatids separate during anaphase of mitosis.
- Sister chromatids are held together by proteins called cohesins.
- Each chromosome consists of two chromatids before cell division begins.
- The spindle fibers pull the chromatids to opposite poles of the cell.
- Crossing over occurs between chromatids of homologous chromosomes.
- Students observed the chromatids under the microscope during biology lab.