A rare chromosomal polymorphism in a Kangayam bull (Bos indicus) of south India
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A chromosomal polymorphism was detected on karyological screening of Kangayam breeding sires prior to subjecting them for frozen semen collection. One bull possessed the chromosomal complement 2n = 60, consisting of 58 acrocentric autosomes, one large sub-metacentric X-chromosome, and one small acrocentric Y-chromosome with a small visible p-arm, which was further confirmed using CBG- and GTG-banding. This polymorphism was attributed to a heterochromatin variation of the acrocentric Y-chromosome routine in the Bos indicus Linnaeus, 1758 cattle.
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1974 ◽
Vol 16
(2)
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pp. 267-272
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2006 ◽
Vol 41
(11)
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pp. 1609-1615
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