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Native species of the Antarctic Deschampsia antarctica and Colobanthus quitensis exist at the limits of survival of vascular plants. Fundamental adaptations to abiotic environmental factors that qualitatively distinguish them from the other vascular plants of extreme regions, namely temperature, ultraviolet radiation hardiness, and their genetic plasticity in the changeable...
The influence of endosymbiotic bacterium Wolbachia on the recombination processes in the sex chromosome of Drosophila melanogaster on the region between white and cut genes has been studied. The analysis of the crossing-over frequency in various variants of strain crossing, infected and noninfected, with bacteria has been carried out. The results have shown the absence of the influence of infection...
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