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Karyotype derived from mitotic metaphase cells of Dibothriocephalus latus (3n = 27 m). (A) Giemsa staining. (B) DAPI staining showing AT-rich bands. The small inset shows a detail of chromosomes of the triplet No. 7 with distinct 18S rDNA [nucleolar organizer region (NOR)] loci located on each individual chromosome (scale bar = 10 μm).
