, Volume 23, Issue 4, pp 343-346

Cytological sexing of cetacea

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Abstract

A biopsy dart, that can be shot from a gun or crossbow, was developed to obtain skin of whales at sea. Determination of sex was found possible by staining and locating sex chromatin bodies in the nuclei of female skin cells. This procedure will be useful in many types of field studies on whales.

Communicated by J. Bunt, Miami