freemartin

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freemartin

[′frē‚märt·ən]
(vertebrate zoology)
An intersexual, usually sterile female calf twinborn with a male.
References in periodicals archive ?
Hence, they could not be freemartins, yet they inherited Y chromosome material from somewhere, most likely from their fathers.
The Veterinary Diagnostic Laboratory at the University of Minnesota tests blood samples to determine if suspected freemartins are actually breeding heifers.
Twentieth-century reproductive biologists who have examined this rendering agree that it is a representation of an anomaly of sexual differentiation, but assert that is not a freemartin in the sense that we use the term today.
Hermaphrodites, freemartins, mosaics and chimeras in animals, Pp.
Unfortunately, this concept runs into two problems: the low rate of multiple births and freemartins.