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quarta-feira, 12 de outubro de 2016

Fish Karyotypes




Fish Karyotypes: A Check List by Ryoichi Arai
English | 18 Apr. 2011 | ISBN: 4431538763 | 340 Pages | PDF | 2 MB

As the largest group of extant vertebrates, fish offer an almost limitless number of striking examples of evolutionary adaptation to environmental and biotic selection pressure. The most diverse of all vertebrate groups, the higher taxa of fish traditionally have been classified by morphology and paleontology, with a much smaller input of cytogenetic information. DNA sequence data are exerting an increasingly strong influence on modern fish systematics, challenging the classification of numerous higher taxa ranging from genera to orders. 

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