nonhomologous
adjective biology specialized (also non-homologous) uk/ˌnɒn.həˈmɒl.ə.ɡəs/ us/ˌnɑːn.həˈmɑː.lə.ɡəs/ /ˌnɑːn.hoʊˈmɑː.lə.ɡəs/
（染色体）非同源的
(of a chromosome) not containing similar information to another chromosome that it forms a pair with during meiosis (= a type of cell division), or involving such chromosomes
Nonhomologous chromosomes, such as XY sex chromosomes, have alleles on different genes. 非同源染色体，如XY性染色体，有不同基因上的等位基因。
Nonhomologous end joining is a repair mechanism that occurs in DNA.
- More examples
- There is a nonhomologous sequence at one end of the DNA strand.
- In vitro studies have provided evidence for various forms of non-homologous recombination in these viruses and subsequent increased virulence.