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The lampbrush chromosomes (LBC) were prepared from growing oocytes 0.75-1.50 mm in diameter. A map of 6 autosomes and the ZW sex bivalents is presented. Several types of landmarks were noticed: lumpy loops (LL), telomeric bow-like loops (TBL), some large loops in interstitial regions (marker loops--ML). Supposedly, the centromeres of LBC in the chicken are(More)
The karyotype of the chicken Gallus gallus domesticus was studied by means of pulsed-field electrophoresis. An electrokaryogram was obtained for the microchromosomal (MI) portion of the chicken genome. Chicken MIs were separated into two fractions. A fraction with a higher mobility included MIs sized 3.4-4.8 Mb; the lower size limit of a less mobile(More)
Chromosome structure and chromatin organisation of a two-chromosome model cereal Zingeria biebersteiniana (Claus) P. Smirnov were studied: nuclear DNA content was determined by microdensitometric analysis after Feulgen staining; Feulgen absorption at different thresholds of absorbance in interphase nuclei also provided evidence on the organisation of(More)
Karyotypes of lower vertebrates mainly consist of microchromosomes. In higher vertebrates, microchromosomes are present in each class of the most primitive orders. Birds have more microchromosomes in their karyotype than other vertebrates. Accumulation of microchromosomes in the avian karyotype probably occurred after separation of birds from reptilians in(More)
The karyotype of the chicken Gallus gallus domesticuswas studied by means of pulsed-field electrophoresis. An electrokaryogram was obtained for the microchromosomal (MI) portion of the chicken genome. Chicken MIs were separated into two fractions. A fraction with a higher mobility included MIs sized 3.4–4.8 Mb; the lower size limit of a less mobile fraction(More)
Cytological map of lampbrush macrobivalents of the Japanese quail (Coturnix coturnix japonica) were constructed. Investigation of chiasmata allowed to estimate the frequency of reciprocal genetic recombination (crossing over) in Japanese quail female meiosis. The total chiasma number in bivalents of Japanese quail oocyte nuclei was determined to be 53–58.(More)
We apply the method of compressed sensing (CS) quantum process tomography (QPT) to characterize quantum gates based on superconducting Xmon and phase qubits. Using experimental data for a two-qubit controlled-Z gate, we obtain an estimate for the process matrix χ with reasonably high fidelity compared to full QPT, but using a significantly reduced set of(More)
Chiasma distribution in the lambrush chromosomes of the chicken Gallus gallus domesticus was studied. The data of the authors show that the general pattern of chiasmata in the interstitional region of chromosomes corresponds to the Poisson distribution. However, in the telomeric and subtelomeric regions of all chicken macrochromosomes one can see chiasma as(More)
The concept of genetic inactivity of G-band DNA had been reinvestigated using the modified approach of Korenberg et al (1978). Coefficients of correlation and partial correlation between the relative gene density (g'), the relative G-band material richness (kH/C) and the relative chromosome size (s') were calculated. The kH/C was calculated as the ratio of(More)