Laboratory of Theoretical Genetics, Institute of Cytology & Genetics, Siberian Branch of Russian Academy of Sciences, 633090, Lavrentieva 10, Novosibirsk, Russia. genenet@bionet.nsc.ru|Laboratory of Theoretical Genetics, Institute of Cytology & Genetics, Siberian Branch of Russian Academy of Sciences, 633090, Lavrentieva 10, Novosibirsk, Russia. genenet@bionet.nsc.ru