Laboratory of Theoretical Genetics, Institute of Cytology and Genetics, Lavrentyev Avenue, 10, Novosibirsk, 630090, Russia. bob@bionet.nsc.ru|Laboratory of Theoretical Genetics, Institute of Cytology and Genetics, Lavrentyev Avenue, 10, Novosibirsk, 630090, Russia. bob@bionet.nsc.ru|Laboratory of Theoretical Genetics, Institute of Cytology and Genetics, Lavrentyev Avenue, 10, Novosibirsk, 630090, Russia. bob@bionet.nsc.ru|Laboratory of Theoretical Genetics, Institute of Cytology and Genetics, Lavrentyev Avenue, 10, Novosibirsk, 630090, Russia. bob@bionet.nsc.ru|Laboratory of Theoretical Genetics, Institute of Cytology and Genetics, Lavrentyev Avenue, 10, Novosibirsk, 630090, Russia. bob@bionet.nsc.ru|Laboratory of Theoretical Genetics, Institute of Cytology and Genetics, Lavrentyev Avenue, 10, Novosibirsk, 630090, Russia. bob@bionet.nsc.ru