title: Evolution of homologous sequences on the human X and Y chromosomes, outside of the meiotic pairing segment.
abstract: A sequence isolated from the long arm of the human Y chromosome detects a highly homologous locus on the X. This homology extends over at least 50 kb of DNA and is postulated to be the result of a transposition event between the X and Y chromosomes during recent human evolution, since homologous sequences are shown to be present on the X chromosome alone in the chimpanzee and gorilla.
mesh_terms: D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D002874:Chromosome Mapping; D004247:DNA / Q000032:analysis; D005260:Female; D006071:Gorilla gorilla; D006801:Humans; D008297:Male; D008540:Meiosis; D002679:Pan troglodytes; D011995:Recombination, Genetic; D012689:Sequence Homology, Nucleic Acid; D014960:X Chromosome; D014998:Y Chromosome
chemical_list: D004247:DNA