Drosophila virilis
EFFECTS OF TEMPERATURE ON LENGTH OF VESTIGIAL WING IN DROSOPHILA VIRILIS
... The vestigial wing length of Drosophila virilis is modified by changes in temperature in the manner of a chemical reaction. The temperature coefficient (Qlo) is approxima[r] ...
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Evidence for Selection at the fused Locus of Drosophila virilis
... The genomic DNA sequence of a 2.4-kb region of the X-linked developmental gene fused was determined in 15 Drosophila virilis strains. One common replacement polymorphism is observed, where a negatively ...
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Whole genome sequencing in Drosophila virilis identifies Polyphemus, a recently activated Tc1-like transposon with a possible role in hybrid dysgenesis
... D. virilis via recent hori- zontal transfer from any of these species with sequenced ...D. virilis reference genome I found that, in addition to the many nearly identical copies, many fragments were ...
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In vivo length oscillations of indirect flight muscles in the fruit fly Drosophila virilis
... as Drosophila, we were unable to implement the more accurate windowing technique employed by Gilmour and Ellington (1993a) and, instead, monitored the changes ...
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Ontogenetic consequences of dysgenic crosses in Drosophila virilis
... in Drosophila virilis presumably results from the mobilization of several unrelated mobile genetic elements in dysgenic ...D. virilis dysgenic ...D. virilis and their ...
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BIOLOGICAL DAMAGE IN THE MATURE SPERM OF DROSOPHILA VIRILIS IN OXYGEN AND NITROGEN WITH DIFFERENT DOSE INTENSITIES OF GAMMA RAYS
... Modifications in the percentages of dominant lethal and translocation damage were not obtained by varying the dose rate of gamma rays in treatments of mature sperm of Dr[r] ...
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BIOLOGICAL DAMAGE IN MATURE AND IMMATURE GERM CELLS OF DROSOPHILA VIRILIS WITH IONIZING RADIATIONS
... The characteristics of biological damage in various types of germ cells of DrosapGla uirdis subjected to fission neutrons and 14 Mev neu- trons and comparisons a f t h e[r] ...
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GENETIC EFFECTS FROM SIMULTANEOUS IRRADIATION OF IMMATURE AND MATURE DROSOPHILA VIRILIS MALES
... From period 2, dominant lethal and translocation rates increased following irradiation of immature males but decreased when mature males were treated; this occurred at al[r] ...
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RADIATION DAMAGE IN THE DEVELOPING GERM CELLS OF DROSOPHILA VIRILIS FROM FAST NEUTRON TREATMENT
... The present investigation re- ports the resulting biological damage measured as translocations and dominant lethals from fast neutron treatment in such a series of immatur[r] ...
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THE PRODUCTION OF CHROMOSOME INTERCHANGES IN DROSOPHILA VIRILIS
... The evidence obtained from the virilis experiments indicates that the decrease a t the warm temperature in the number of sperm with interchanges is not associated with the p[r] ...
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DNA Sequence Variation at the Period Locus Reveals the History of Species and Speciation Events in the Drosophila virilis Group
... novamexicana is a single spe- cies with balancing selection maintaining two function- ally distinct per alleles, then a history of per locus recombination is also expecte[r] ...
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Hybrid dysgenesis in Drosophila virilis results in clusters of mitotic recombination and loss-of-heterozygosity but leaves meiotic recombination unaltered
... D. virilis is observed in crosses between reactive strain 9 females and inducer strain 160 males and the severity of dysgenesis is mea- sured by the fecundity of the resulting progeny [16, ...
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SOME EFFECTS OF NITRIC OXIDE AND OXYGEN ON DOMINANT LETHAL PRODUCTION IN X-IRRADIATED DROSOPHILA VIRILIS MALES
... If the experiments were performed using one atmosphere helium as the test gas, or at higher temperatures when 3 percent oxygen was present, when the intracellular oxygen concentra[r] ...
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THE INDUCTION OF DOMINANT LETHAL MUTATIONS IN X-IRRADIATED DROSOPHILA VIRILIS OOCYTES
... Stages 7 or 14 oocytes irradiated in the absence of oxygen (presence of one or ten atmospheres of argon, helium, methane, or carbon mon- oxide) showed a large decrease [r] ...
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A hybrid dysgenesis syndrome in Drosophila virilis.
... The dysgenic traits were observed only in hybrids obtained when wild-type females (of the Batumi strain 9 from Georgia, USSR) were crossed to males from a marker strain (the lo[r] ...
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V-TYPE POSITION EFFECTS OF A GENE IN DROSOPHILA VIRILIS NORMALLY LOCATED IN HETEROCHROMATIN
... I t is evident that the great majority of the rearrangements involve a break between the last salivary band (5H2d) and the centromere. This fact took on added signifi[r] ...
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The genetic basis of a species-specific character in the Drosophila virilis species group.
... virilis revealed that all four of the autosomes (except the tiny dot chromosome, which was not marked) and the sex chromosomes (the X and Y chromosome effects cou[r] ...
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In situ hybridization analysis of chromosomal homologies in Drosophila melanogaster and Drosophila virilis.
... Probes representing two multigene families (@-tubulin and yolk-protein) hybridized as would be expected if all sites had been conserved in the two species on the same[r] ...
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FURTHER STUDIES ON FACTOR INTERACTION IN DROSOPHILA VIRILIS
... The Cl/+ sh/+ and Cl/+ shlsh flies from this cross resemble each other as far as the ruffling of the dorso-central bristles and adjacent hairs, and vortex characteristics o[r] ...
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MUTABLE CHARACTERS OF DROSOPHILA VIRILIS I. REDDISH-ALPHA BODY CHARACTER
... To determine if the absence of the proper modifying factor was responsible for the constancy of reddish-a, six crosses were made between reddish-a from the constant line [r] ...
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