chromatid: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

Diagram showing the process of crossing over during meiosis, where homologous chromosomes exchange genetic material, followed by two cell divisions that result in four genetically unique haploid daughter cells.

See All Images →

Topics

chiasma homologous recombination chromosome tetrad cell division gene telomere centromere sex chromosome Why Are Chromosomes in Pairs?major histocompatibility complex meiosis karyotype Autosome mitosis