Gorenska O. Functioning of Drosophila melanogaster Meig. polytene chromosomes of salivary glands under effect of inbreeding, hybridization and analogues of an ecdysone

Object: hormonal regulation of structure and functions of Drosophila melanogaster Meig. salivary glands polytene chromosomes. Aim: it is studied of hormonal activity, giant chromosomes polytene level and bioelectric properties of cellular nucleus in Drosophila melanogaster Meig. salivary glands under effect inbreeding, hybridization and ecdysone analogues. Novelty: it is demonstrated of the tie between heterosis mechanism and specialies of hormonal regulation of chromosomes genetic functions on hybrids F1. Results: insects moult hormone ecdysone have numerous effect on puffing, polyteny level of giant chromosomes and bioelectric properties of salivary glands cellular nucleus of Drosophila melanogaster Meig. inbred lines and hybrids. Application stage: it is used for estimation of new steroid preparations biology activity, hormone analogues of insects development, in bee-keeping, silk-keeping other. Application area: scientific establishments and MES of Ukraine, UAAS