chromatid [kroh-muh-tid] Word Origin noun Genetics.
- one of two identical chromosomal strands into which a chromosome splits longitudinally preparatory to cell division.
Origin of chromatid First recorded in 1895–1900;+ British Dictionary definitions for chromatid chromatid noun
- either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase
chromatid in Medicine chromatid [krō′mə-tĭd] n.
- Either of the two daughter strands of a duplicated chromosome that are joined by a single centromere and separate during cell division to become individual chromosomes.
chromatid in Science chromatid [krō′mə-tĭd]
- Either of the two strands formed when a chromosome duplicates itself as part of the early stages of cell division. The chromatids are joined together by a single centromere and later separate to become individual chromosomes. See more at meiosis mitosis.