Homologous chromosomal regions at either end of the X CHROMOSOME or Y CHROMOSOME. These two regions pair regularly at male MEIOSIS and undergo RECOMBINATION. Pseudoautosomal region 1 (PAR1) is located at the tip of the short 'p' arms (Xp22 and Yp11) and Pseudoautosomal region 2 (PAR2) is located at the tip of the long 'q' arms (Xq28 and Yq12).

DUI

D000071439 MeSH Browser

CUI

M000614641

Previous indexing

Recombination, Genetic (1986-2016); X Chromosome (1986-2016); Y Chromosome (1986-2016)

History note

2017

Public note

2017