Article
Chromosomal localization of rDNA genes and genomic organization of 5S rDNA in Oreochromis mossambicus, O. urolepis hornorum and their hybrid.
Journal of genetics - 1 Aug 2010
Zhu Hua Ping, Lu Mai Xin, Gao Feng Ying, Huang Zhang Han, Yang Li Ping, Gui Jian Fang
Abstract excerpt
In this study, classical and molecular cytogenetic analyses were performed in tilapia fishes, Oreochromis mossambicus (XX/XY sex determination system), O. urolepis hornorum (WZ/ZZ sex determination system) and their hybrid by crossing O. mossambicus female x O. u. hornorum male. An identical karyotype ((2n = 44, NF (total number of chromosomal arms) = 50) was obtained from three examined tilapia samples. Genomic...
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