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Mitotic and meiotic chromosomes of Peruphasma schultei; (a) C-banding of embryonal metaphase chromosomes. The X chromosomes are labeled with ‘X’. (b) FISH as in Figure 1b. (c) C-banding of adult male derived meiotic chromosomes. (d) FISH on meiotic chromosomes (pachytene), using probes as given in Figure 1b. Scale bar indicates 5 μm; (e) Female P. schultei have 22 chromosome pairs and a karyotype 21,XX.
