Mitotic chromosomes of Paradiplozoon homoion. (a) Spread mitotic metaphase stained by Giemsa. (b) Karyotype derived from the cell shown in Fig. 1a. (c) The same chromosome set counterstained by DAPI. (d) C-banded mitotic chromosomes. (e) Mitotic chromosomes stained by YOYO-1. Bar indicates 10 μm.