Campos-Ramos, R. and Harvey, S.C. and Masabanda, J.S. and Carrasco, L.A. and Griffin, D.K. and McAndrew, B.J. and Bromage, N.R. and Penman, D.J. (2001) Identification of Putative Sex Chromosomes in the Blue Tilapia, Oreochromis Aureus, through Synaptonemal Complex and FISH Analysis. Genetica, 111 (1-3). pp. 143-153. ISSN 0016-6707.
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Sex determination in the blue tilapia, Oreochromis aureus, is primarily a ZW female-ZZ male system. Here, by analysis of the pachytene meiotic chromosomes of O. aureus, we demonstrate the presence of two distinct regions of restricted pairing present only in heterogametic fish. The first, a subterminal region of the largest bivalent is located near to the region of unpairing found in the closely related species O. niloticus, while the second is in a small bivalent, most of which was unpaired. These results suggest that O. aureus has two separate pairs of sex chromosomes.
|Additional information:||11841163 0016-6707|
|Uncontrolled keywords:||Animals Female In Situ Hybridization, Fluorescence Male Polymerase Chain Reaction Sex Chromosomes Synaptonemal Complex Tilapia|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Biosciences|
|Depositing User:||Darren Griffin|
|Date Deposited:||20 Nov 2008 21:04|
|Last Modified:||03 Mar 2009 12:23|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/12467 (The current URI for this page, for reference purposes)|
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