Mouse sex vesicle. C-band and pairing at the light and electron microscope.
C banded mouse pachytene chromsomes were studied with the light and electron microscopes by the whole mount technique. The X and Y chromosomes show pairing by the long, by the short or by both long and short arms. Assuming Lyon's hypothesis, the latter suggests that the Y segment transferred to the X is intercalar. With the light microscope, a negative image of the synaptonemal complex is evidenced.
D000818:Animals; D008297:Male; D008722:Methods; D051379:Mice; D008854:Microscopy, Electron; D012730:Sex Chromosomes / Q000648:ultrastructure*