Before revision: Immortality of the germline The Russian biologist and historian Zhores A. Medvedev, reviewing Weismann's theory a century later, considered that the accuracy of genome replicative and other synthetic systems alone could not explain the immortality of germlines .
After revision: Immortality of the germline The Russian biologist and historian Zhores A. Medvedev, reviewing Weismann's theory a century later, considered that the accuracy of genome replicative and other synthetic systems alone could not explain the "immortal" germ cell lineages proposed by Weismann .