BASIC FERTILIZATION PHENOMENA AND GAMETIC LETHALITY IN DROSOPHILA. Technical Progress Report
Technical Report
·
OSTI ID:4810948
The processes involved in normal insemination in Drosophila melanogaster are being studied by dissection and observation of the genital tract of inseminated females at intervals following copulation. Movement of the spermatozoa into the ventral receptacle of the female did not seem to be accomplished by swimming action of the sperm, but groups of longitudinally- oriented sperm appeared to be drawn en masse into the ventral receptacle. Definite mating preferences of males and females correlated with strain were noted. Observations of females irradiated after insemination supported the hypothesis that irradiation produces a lethal, rather than merely deleterious, effect on the mature sperm cells. Differential survival of gametes was examined by two genetic techniques. Data from both of the experiments agreed in suggesting an apparent enhancement of radiation damage in stored sperm. (M.C.G.)
- Research Organization:
- Michigan State Univ., East Lansing
- NSA Number:
- NSA-16-009845
- OSTI ID:
- 4810948
- Report Number(s):
- TID-15021
- Country of Publication:
- United States
- Language:
- English
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