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Updated: Jul 19, 2026

FISH for Pre-implantation Genetic Diagnosis
Published on: February 23, 2011
Novel cytogenetic finding: an unusual X;X-translocation in Mehsana buffalo (Bubalus bubalis)
R K Patel1, K M Singh, K J Soni
1R&D-Biotechnology, National Dairy Development Board, Anand, India. rkpatel46@yahoo.com
Abstract:
Cytogenetic investigations of a phenotypically normal Mehsana river buffalo calf (Bubalusbubalis) revealed an XXY chromosome complement due to X;X-translocation in all screened metaphase plates. The chromosomal anomaly was identified by GTG-banding while CBG- and RBG-banding revealed two heterochromatin blocks and that one of the two X chromosomes was late replicating, respectively. The normal cytogenetic profiles of sire, dam and relatives of the calf suggest that the anomaly could have arisen spontaneously during oogenesis. This is the first report on a male river buffalo calf having an XXY chromosome complement with translocation between the two X chromosomes.
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