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...million species of plants and animals alive today that have been named, 2,000 are purely female and reproduce asexually, Meselson says...

Author: By Elizabeth M. Kass, CONTRIBUTING WRITER | Title: Meselson Fights Biological Warfare, Studies Reproduction | 10/7/1997 | See Source »

However, these species appear to become extinct every few thousand years. But entirely new asexual species then appear, Meselson says...

Author: By Elizabeth M. Kass, CONTRIBUTING WRITER | Title: Meselson Fights Biological Warfare, Studies Reproduction | 10/7/1997 | See Source »

...very deep, fundamental and ancient question in biology," Meselson says...

Author: By Elizabeth M. Kass, CONTRIBUTING WRITER | Title: Meselson Fights Biological Warfare, Studies Reproduction | 10/7/1997 | See Source »

...Meselson is currently trying to unravel that mystery...

Author: By Elizabeth M. Kass, CONTRIBUTING WRITER | Title: Meselson Fights Biological Warfare, Studies Reproduction | 10/7/1997 | See Source »

...study the question, Meselson says, is to determine whether a species has managed to proliferate despite remaining asexual...

Author: By Elizabeth M. Kass, CONTRIBUTING WRITER | Title: Meselson Fights Biological Warfare, Studies Reproduction | 10/7/1997 | See Source »

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