[PDF] Top 20 THE FREQUENCY OF TRANSLOCATIONS PRODUCED BY X-RAYS IN DROSOPHILA
Has 10000 "THE FREQUENCY OF TRANSLOCATIONS PRODUCED BY X-RAYS IN DROSOPHILA" found on our website. Below are the top 20 most common "THE FREQUENCY OF TRANSLOCATIONS PRODUCED BY X-RAYS IN DROSOPHILA".
THE FREQUENCY OF TRANSLOCATIONS PRODUCED BY X-RAYS IN DROSOPHILA
... result in readily detectable effects of the genic disproportion also are not included, whereas all kinds of chromosome abnormalities as well as “point mutations” involving let[r] ... See full document
29
MODIFICATION OF THE FREQUENCY OF CHROMOSOMAL REARRANGEMENTS INDUCED BY X-RAYS IN DROSOPHILA. II. USE OF ULTRAVIOLET RADIATION
... Ultraviolet radiation of wave length 2537 A used subsequent to X-rays in the treatment of the spermatozoa of Drosophila melanogaster effected a decrease, as compared with the c[r] ... See full document
9
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
IDENTIFICATION OF HALF-TRANSLOCATIONS PRODUCED BY X-RAYS IN DETACHING ATTACHED-X CHROMOSOMES OF DROSOPHILA MELANOGASTER
... It has been possible to prove genetically that a t least one half of the tested cases of detachment of attached-X chromosomes by X-rays consisted of half-translocations with [r] ... See full document
10
THE RELATIVELY HIGH FREQUENCY OF WHOLE-BODY MUTATIONS COMPARED WITH FRACTIONALS INDUCED BY X-RAYS IN DROSOPHILA SPERM
... Thus, even if we increased the fractionals (classifiable) in the X-ray series by as much as one half (i.e., one half of seven percent to include the possible masked, makin[r] ... See full document
9
MODIFICATION OF THE FREQUENCY OF CHROMOSOMAL REARRANGEMENTS INDUCED BY X-RAYS IN DROSOPHILA. IV. POSTTREATMENT WITH NEAR INFRARED RADIATION
... Restitution and recombination of breakage ends: The pattern of analysis pre- sented in the foregoing paragraphs suggests that thoroughgoing breaks provide a mechanism for the [r] ... See full document
12
MODIFICATION OF THE FREQUENCY OF CHROMOSOMAL REARRANGEMENTS INDUCED BY X-RAYS IN DROSOPHILA. I. USE OF NEAR INFRARED RADIATION
... Since exposure of males to near infrared radiation prior to X-radiation increases the frequency with which the regions of potential breaks along the chromosome become availabl[r] ... See full document
19
EQUILIBRIA FOR INVERSIONS INDUCED BY X RAYS IN ISOGENIC STRAINS OF DROSOPHILA PSEUDOOBSCURA
... This view is supported by the €act that in experimental populations frequency equilibria are regularly estab- lished between gene arrangements of similar geographic origin, but no[r] ... See full document
8
EFFECTS OF X RAYS ON GENETIC LOADS IN A CAGE POPULATION OF DROSOPHILA MELANOGASTER
... He examined the changes in fre- quency of lethal second chromosomes in populations, either acutely or chron- ically irradiated with gamma rays, and found that the frequency[r] ... See full document
13
ACTINOMYCIN D EFFECTS ON THE FREQUENCY OF RADIATION-INDUCED MUTATIONS IN DROSOPHILA
... BURDETTE (1961) found that the frequency of sex-linked recessive lethals induced in Drosophila by X rays is reduced when larvae are reared on culture medium containin[r] ... See full document
5
A COMPARISON OF THE FREQUENCIES OF VISIBLE MUTATIONS PRODUCED BY X-RAY TREATMENT IN DIFFERENT DEVELOPMENTAL STAGES OF DROSOPHILA
... Virgin females for testing the frequency of visi- ble mutations produced by treating mature ova were obtained from this stock, treated with X-rays, and mated immediately to males[r] ... See full document
14
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
A COMPARATIVE STUDY OF INDUCED MUTATION IN THE OOCYTES AND SPERMATOZOA OF DROSOPHILA MELANOGASTER II. Deficiencies and Minutes
... Said differently, is the ratio between the frequencies of translocations induced in oocytes and spermatozoa treated with the same dose of X-rays the same as the ratio betwe[r] ... See full document
16
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
THE PRODUCTION OF DOMINANT LETHALS WITH X-RAYS IN AGED DROSOPHILA MELANOGASTER SPERM
... This table lists the mean percentages of hatchability for different age groups of eggs fertilized by irradiated males that had been previously stored with a n excess of females..[r] ... See full document
13
THE EFFECT OF X-RAYS UPON THE ACTION OF A SPECIFIC GENE IN DROSOPHILA MELANOGASTER
... In classifying the test-cross progenies it was assumed that a weak manifesta- tion of erupt was always due to the presence of the suppressor in heterozygous condition, and tha[r] ... See full document
11
AN EFFECT OF X RAYS ON THE LINKAGE OF MENDELIAN CHARACTERS IN THE FIRST CHROMOSOME OF DROSOPHILA
... We find here, as in the third series of experi- ments, that there is no significant difference in the crossover values ob- tained from the first two bottles (eggs laid during [r] ... See full document
12
THE REGIONALLY DIFFERENTIAL EFFECT OF X RAYS ON CROSSING OVER IN AUTOSOMES OF DROSOPHILA
... The differences in all the other regions were scarcely, if any, greater than their own probable errors, but in this middle region the difference was of a size (2.9 times its pr[r] ... See full document
38
X-RAY INDUCTION OF 2;3 TRANSLOCATIONS IN MATURE AND IMMATURE OOCYTES OF DROSOPHILA MELANOGASTER
... Since our experiments have shown that in stage-I4 (late prophase I and possibly meta- phase I) oocytes translocations can be readily induced, it is likely that translo- cations[r] ... See full document
8
ARE "PROGRESSIVE" MUTATIONS PRODUCED BY X-RAYS?
... treated flies were used as parents, the fourth, the nature of the cross used in the tests of the treated flies, the fifth and sixth, the numbers counted of female and male progen[r] ... See full document
83
Related subjects