Pseudoautosomal inheritance 2022-09-04T13:22:42Z A pattern of inheritance observed for alleles in the X-Y identical regions is referred to as pseudoautosomal inheritance, because it resembles the pattern seen for alleles located on autosomes. The pseudoautosomal regions (PAR1 and PAR2) are short regions of homology between the mammalian X and Y chromosomes. The PAR behave like an autosome and recombine during meiosis. Thus genes in this region are inherited in an autosomal rather than a strictly sex-linked fashion. Pseudoautosomal region inheritance Mendelian inheritance