title: Behavior of sex chromosomes during meiosis in the house shrew.
abstract: The behavior of the sex chromosomes during meiosis in the house shrew, Suncus murinus, shows some interesting features. Both X- and Y-chromosomes are large and biarmed and have huge segments of C-band material in noncentromeric areas. A distinct chiasma is formed between the short arms of the X and Y chromosomes and the heterochromatic regions in the bivalents show desynapsis in the form of a bulge.
mesh_terms: D000818:Animals; D005260:Female; D006570:Heterochromatin / Q000648:ultrastructure; D008297:Male; D008540:Meiosis; D012730:Sex Chromosomes / Q000502:physiology* / Q000648:ultrastructure; D012788:Shrews / Q000235:genetics* / Q000502:physiology
chemical_list: D006570:Heterochromatin