[PDF] Top 20 CHROMOSOME ABERRATIONS INDUCED BY X-RAYS
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CHROMOSOME ABERRATIONS INDUCED BY X-RAYS
... The proportion of chromosome aberrations produced by different amounts of irradiation also indicates that some of the fusions may be caused by a single hit which breaks two adjac[r] ... See full document
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ANALYSIS OF THE CHROMOSOME ABERRATIONS INDUCED BY X-RAYS IN SOMATIC CELLS OF DROSOPHILA MELANOGASTER
... Similarly, in the cells of Dro- sophila, where somatic pairing is present, we find a high frequency of chromatid exchanges and dicentrics between homologous chromosomes.. The i[r] ... See full document
19
HAPLOID CELLS IN RAT KANGAROO CORNEAL ENDOTHELIUM CULTURES AND X-RAY-INDUCED CHROMOSOME ABERRATIONS
... The average number of haploid cells and the mitotic indices of the cultures showed opposite trends in relation to culture age and X-ray dose as illustrated in Figures 2 and 3[r] ... See full document
11
MODIFICATION OF THE FREQUENCY OF CHROMOSOMAL REARRANGEMENTS INDUCED BY X-RAYS IN DROSOPHILA. III. EFFECT OF SUPPLEMENTARY TREATMENT AT THE TIME OF CHROMOSOME RECOMBINATION
... Because of these properties, the effective action of radiation of this type is probably not limited to an extension of the range of temperature within which fertil[r] ... See full document
5
CROSSING OVER INDUCED BY X-RAYS IN DROSOPHILA MALES
... These tests show that in four cases the lethal was not at the point of crossing over in the chromosome which determined the composition of the variant fly.l The agreement of the l[r] ... See full document
14
ULTRAVIOLET AND X-RAY INDUCED CHROMOSOMAL ABERRATIONS IN WHEAT
... It is a reasonable assumption that when two chromosomes are broken, transloca- tion will as frequently bring the two centric pieces together (asymmetrical exchange) as it will un[r] ... See full document
8
INDUCED CROSSING OVER IN DROSOPHILA MALES AND ITS PROBABLE NATURE
... This well known condition where the spindle fiber region is the part of the chromosome most susceptible to changes in crossover frequency brought about by heat, cold, X-rays[r] ... See full document
16
9. Sarita Sharma
... with X-ray (1000r) and the gamma rays also produced chromosomal ...gamma rays induced chromosomal aberrations on short-horned grasshopper when exposed to whole body irradiations of ... See full document
5
THE FREQUENCY OF X-RAY INDUCED CHROMOSOME ABERRATIONS IN TRADESCANTIA AS MODIFIED BY NEAR INFRARED RADIATION
... The pretreatment data presented here are in agreement with the findings of KAUFMANN, HOLLAENDER and GAY (1946) on the effect of infrared treat- ment upon chromosomal[r] ... See full document
9
THE FREQUENCY-DOSE RELATION OF X-RAY-INDUCED Y-SUPPRESSED LETHALS IN DROSOPHILA
... beta rays on chromosomal breakage in Tradescantia. lethals, and chromosome aberrations in Drosophila. The phenomenon of position effect. Advances in Genet. A screening method for [r] ... See full document
10
THE EFFECT OF INTENSITY OF INFRARED ON X-RAY INDUCED CHROMOSOME ABERRATIONS IN TRADESCANTIA
... There is no proof, however, that there is a clear-cut causal relation involved between breakage and lethal mutation although the question has been raised (cf. Suc[r] ... See full document
12
STUDIES ON THE FREQUENCIES OF CHROMATID ABERRATIONS INDUCED BY X RAYS AT DIFFERENT TIMES OF THE CELL CYCLE OF VICIA FABA
... In the GI cells the chromosome has been found to exhibit constant sensitivity to radiation-induced breakage (see SAX 1938), whereas as the cell approaches metaphase the sen[r] ... See full document
7
FREQUENCY OF CHROMOSOME ABERRATIONS PRODUCED BY FRACTIONAL DOSES OF X-RAYS IN TRADESCANTIA
... about exactly controlled temperature after irradiation (with little emphasis on temperature during irradiation) seems partially unjustified. Slight dif- ferences in the [r] ... See full document
9
Ionization and heating by X-rays and cosmic rays
... particular X-rays and extreme-ultraviolet (EUV) radiation, is predominantly generated in unstable stellar magnetic fields ...produce X-ray emission. Cosmic rays, ... See full document
27
X-Y NONDISJUNCTION AND EXCHANGE INDUCED BY X RAYS IN PRIMARY SPERMATOCYTES OF THE ADULT DROSOPHILA
... If the wild-type females are due to induced crossing over, there will appear two classes of non- recombinant females ( y w sn and wild-type) while there will be four nonre[r] ... See full document
6
Chromosome Breakage by X Rays and the Production of Eggs from Genetically Male Tissue in Drosophila
... It therefore appears as though the clustering were not due to the action of some common genetic or environic agent acting on the different germ cells of a female separately, and we must [r] ... See full document
38
Effects of trypsin on cellular, chromosomal and DNA damage induced by X rays
... DNA damage and repair of EAT cells in suspension As found for V-79 cells, no difference was seen in the unwinding kinetics of trypsinized and buffer-treated cells after 12 Gy results not[r] ... See full document
262
THE EFFECT OF RADIATION DOSE FRACTIONATION ON CHROMOSOME ABERRATION FREQUENCIES IN TRADESCANTIA MICROSPORES. II. STUDIES WITH FAST NEUTRONS
... HE previous paper (DE SERRES and GILES 1953) has described the results T of experiments investigating the effects of fractionated doses of X-rays on the frequency of chromosome[r] ... See full document
5
THE MECHANISM OF THE EFFECT OF POSTIRRADIATION CENTRIFUGATION ON THE YIELD AND THE KINETICS OF RADIATION-INDUCED CHROMOSOME ABERRATIONS IN BARLEY
... In the present paper, data are presented which show that (1) the centrifuga- tion effect is highly significant even after the effect of other controllable post- irradiat[r] ... See full document
5
OBSERVATIONS ON CROSSING OVER INDUCED BY X-RAYS IN THE MALES OF DROSOPHILA
... The relative frequencies with which any two exchanges involving different regions are recovered are not dependent simply on the frequencies of crossing over, as in normal cr[r] ... See full document
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