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  • Title: Effects of space flight factors on Drosophila.
    Author: Dubinin NP, Glembotsky YL, Vaulina EN, Grozdova TY, Kamshilova EM, Ivaschenko NI, Kholikova IA, Nechitailo GS, Mashinsky AL, Iordanishvili EK.
    Journal: Life Sci Space Res; 1973; 11():163-5. PubMed ID: 12001949.
    Abstract:
    Drosophila melanogaster flies of strain D-32 were exposed aboard the Soyuz 10 spaceship. An insert with a nutritional medium and insects was placed in a small on-board thermostat (Biotherm II) providing a constant temperature (24 degrees C +/- 1 degree) for Drosophila development. The frequency of dominant lethals was determined in the females. Dominant, autosomal and sex-linked recessive lethals were estimated in hatching virgin males and females; the time of hatching was rigorously fixed. Sex-linked recessive lethals were related to certain stages of gametogenesis. The 1-5 oocyte stage showed an increased sensitivity to space-flight factors as regards the frequency of both dominant and recessive lethals.
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