@article{Dyka_Shakina_Strashnyuk_1, title={Peculiarities of homologous conjugation of polytene chromosomes after exposure to microwaves and static magnetic field in Drosophila melanogaster Meig.}, volume={29}, url={https://periodicals.karazin.ua/biology/article/view/10223}, DOI={10.26565/2075-5457-2017-29-5}, abstractNote={<p>The purpose of this investigation was to study the effect of microwave irradiation, static magnetic field and their combined action on the violation of homologous pairing of polytene chromosomes in <em>Drosophila melanogaster </em>Meig. Inbred line <em>Canton-S</em> was used as an experimental object. Microwaves with frequency 36.64 GHz and power density 1 W/m<sup>2</sup> for 30 sec and static magnetic field of 25 mT intensity for 5 min were used. Exposure to electromagnetic fields was applied at the egg stage after 2-hour oviposition. Polytene chromosomes were examined in squashed salivary glands preparations stained with acetoorcein. For preparations, females at the 0-hour prepupa stage were used. Microwaves decreased the asynapsis frequency of homologous chromosomes by 18.1%. The constant magnetic field had no significant effect. Combined action of these factors decreased the asynapsis frequency in <em>Drosophila</em> giant chromosomes by 37.1%. Obtained results testify to the influence of electromagnetic factors on the homologous pairing of chromosomes in the nuclei of somatic cells. Thus, the possibility of their effect on the trans-interactions of the loci of homologous chromosomes is shown.</p&gt;}, number={2}, journal={The Journal of V.N.Karazin Kharkiv National University. Series «Biology»}, author={Dyka, L. and Shakina, L. and Strashnyuk, V.}, year={1}, month={1}, pages={41-48} }