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Experts recently debated whether additional intensive therapy can improve posttransplant outcomes for patients with acute myeloid leukemia who have residual disease after induction therapy. ....
Date Time Defeating enemy within: How evolution helps clone fish with their genetic burden According to scientific theories, clonal vertebrates actually have a harder time succeeding than species that reproduce sexually. Clonal fish and still successful: the Amazon molly. | Photo: Davied Bierbach One natural clone is the Amazon molly. A research team led by the Biozentrum of the University of Würzburg with the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) has shown that over hundreds of thousands of years, this small fish has found a way to cope with the challenges of its origin and reproduction. In the course of evolutionary adaptation, traits emerge that tend to be advantageous or disadvantageous to the survival or reproductive success of a species. This happens through natural mutation and subsequent selection. For a new trait to be inherited, it must have a genetic basis. Here, sexual reproduction has an advantage, because the offsprin ....