Meiosis II of Bittacus sinicus A, B the secondary spermatocytes: A with n = 8 B with n = 7 C prometaphase II, showing the striking repulsion between the sister chromatids of each dyad chromosome D anaphase II, showing the separation of sister chromatids. Arrowheads show the sex chromosome. Scale bars: 5 μm.

 
 
  Part of: Miao Y, Hua B-Z (2020) The highly rearranged karyotype of the hangingfly Bittacus sinicus (Mecoptera, Bittacidae): the lowest chromosome number in the order. Comparative Cytogenetics 14(3): 353-367. https://doi.org/10.3897/CompCytogen.v14i3.53533