QM-staining of Macraspis tristis cells. A Spermatogonium B, D 9,X and 9,Y spermatocytes II C 8+Xyp spermatocyte I at diakinesis/metaphase. Heterochromatin, in particular that of the X, displays very different levels of fluorescence. e= euchromatin, h=heterochromatin.

 
 
  Part of: Dutrillaux A-M, Dutrillaux B (2019) Different behaviour of C-banded peri-centromeric heterochromatin between sex chromosomes and autosomes in Polyphagan beetles. Comparative Cytogenetics 13(2): 179-192. https://doi.org/10.3897/CompCytogen.v13i2.34746