Definition of chromatid in English:
Each of the two thread-like strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
- Any bias in the segregation of one or the other of a pair of homologous chromosomes or chromatids between the oocyte and the polar body can have a dramatic effect on the genetic makeup of a population.
- A double crossover involving one linear chromatid and both chromatids of the circular chromosome generates a linear trimer.
- One is the nonreciprocal transfer of information of both DNA strands of a donor chromatid to a chromatid of the homologous chromosome.
Early 20th century: from Greek khrōma, khrōmat- 'colour' + -id2.
Definition of chromatid in:
- US English dictionary
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