[Dominant lethality and translocations in the sex cells of male rats under low-intensity gamma irradiation].
Adult male rats were given 1300 rad of chronic gamma-irradiation (0.08 rad/min) Dominant lethal rates were found to be high (ranging from 48 to 75%) in irradiated postmeiotic cells and clearly lower (6.8%) in spermatogonia. The chromosome aberration (reciprocal translocation) yields observed with 1300 rad chronic irradiation were comparatively low, averaging 1.6%. Spermatogonia irradiation at low dose rate resulted in a smaller effect as compared to the genetic effects of a single acute exposure.
D000818:Animals; D002869:Chromosome Aberrations; D005260:Female; D005720:Gamma Rays / Q000009:adverse effects; D005799:Genes, Dominant / Q000528:radiation effects*; D005804:Genes, Lethal / Q000528:radiation effects*; D008297:Male; D009154:Mutation / Q000528:radiation effects; D011247:Pregnancy; D051381:Rats; D012730:Sex Chromosomes / Q000528:radiation effects; D013093:Spermatogonia / Q000528:radiation effects* / Q000648:ultrastructure; D013094:Spermatozoa / Q000528:radiation effects*; D013997:Time Factors; D014178:Translocation, Genetic / Q000528:radiation effects*
Dominantnaia letal'nost' i translokatsii v polovykh kletkakh samtsov krys pri gamma-obluchenii nizkoĭ moshchnosti.