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Conventionally stained and C-banded karyotypes of a female blue whale

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Abstract

The karyotype of a blue whale was studied in a fibroblast culture established from a skin biopsy obtained from a free swimming animal. The chromosome number was 2n=44. Chromosomal analysis showed that the biopsy originated from a female specimen. The karyotype conformed with the general 2n=44 cetacean karyotypes. The C-band pattern had the characteristics observed in other cetacean karyotypes, i.e., interstitial and terminal C-bands being more conspicuous than centromeric C-bands.

Ancillary