Male crossing over and genetic sexing systems in the Australian sheep blowfly Lucilia cuprina [PDF]
Heredity, 1991 Field-female killing (FK) systems based on deleterious mutations and Y-autosome translocations are being evaluated for genetic control of the Australian sheep blowfly, Lucilia cuprina. Experience during field trials has shown that mass-reared colonies of FK strains are subject to genetic deterioration, caused mainly by genetic recombination in males. A
Gaye L. Weller +2 more
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Genetic Mapping in Escherichia coli K-12 by Radiation-Induced Crossing-Over [PDF]
Journal of Bacteriology, 1970 Conventional methods for chromosomal mapping in Escherichia coli are (i) interruption of matings to obtain minimum marker entry times, (ii) linkage analysis of recombinants, and (iii) cotransduction. Method (i) has a resolution of about 0.5 min (5 × 10 4 nucleotides) and is not useful for ...
S. K. Mahajan, Thomas H. Wood, M. Wann
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SEGREGATION DISTORTION AND CROSSING OVER IN MALES OF DROSOPHILA ANANASSAE. I: PRELIMINARY GENETIC ANALYSIS [PDF]
Genetics, 1971 ANDLER and NOVITSKI (1957) proposed the term “meiotic drive” (or segregation distortion) to describe a condition which leads to unequal segregation of the two alleles present in a heterozygote in consequence of certain aberrant mechanisms during meiosis.
Ashoke K. Das, Anita Mukherjee
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Genetic analysis of the human infective trypanosome Trypanosoma brucei gambiense: chromosomal segregation, crossing over, and the construction of a genetic map [PDF]
Genome Biology, 2008 Abstract Background Trypanosoma brucei is the causative agent of human sleeping sickness and animal trypanosomiasis in sub-Saharan Africa, and it has been subdivided into three subspecies: Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense, which cause sleeping sickness in humans, and the ...
Cooper, A. +6 more
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Genetic Regulation of Meiotic Cross-Overs between Related Genomes inBrassica napusHaploids and Hybrids [PDF]
The Plant Cell, 2009 AbstractAlthough the genetic regulation of recombination in allopolyploid species plays a pivotal role in evolution and plant breeding, it has received little recent attention, except in wheat (Triticum aestivum). PrBn is the main locus that determines the number of nonhomologous associations during meiosis of microspore cultured Brassica napus ...
Nicolas, Stephane +7 more
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Complexity Theory and Genetics: The Computational Power of Crossing Over
Information and Computation, 2001 AbstractWe study the computational power of systems where information is stored in independent strings and each computational step consists of exchanging information between randomly chosen pairs. To this end we introduce a population genetics model in which the operators of selection and inheritance are effectively computable (in polynomial time on ...
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Genetic rearrangement of DNA induces knots with a unique topology: implications for the mechanism of synapsis and crossing-over. [PDF]
Proceedings of the National Academy of Sciences, 1985 We have determined the topological sign of the knots produced by a cycle of phage lambda integrative recombination. To insure that these knots reflect intrinsic features of the reaction mechanism, the substrate was constructed so that random interwrapping of segments of DNA played a minimal role in the topological outcome.
H A Nash, J D Griffith
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Stochastic Model for Genetic Recombination because of Crossing over and Chromatid Exchange
International Journal of Computer Applications, 2013 Genetic recombination by crossing over and chromatid exchange in eukaryotes is one of the major events leading to variance, among individuals of a population set. Therefore, quantification of the recombination would be central to the understanding of the genetic diversity, genealogical differences, disease variants and its maintenance within the ...
Tazid Ali, Rajeev Sharmah, Jugal Gogoi
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Crossing Over in Chicken Oogenesis: Cytological and Chiasma-Based Genetic Maps of the Chicken Lampbrush Chromosome 1 [PDF]
Journal of Heredity, 2002 Chiasmata in diplotene bivalents are located at the points of physical exchange (crossing-over) between homologous chromosomes. We have studied chiasma distribution within chicken lampbrush chromosome 1 to estimate the crossing-over frequency between chromosome landmarks.
Svetlana Galkina +4 more
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The Use of Mitotic Crossing-over for Genetic Analysis in Dictyostelium discoideum: Mapping of Linkage Group II [PDF]
Journal of General Microbiology, 1975 SUMMARY: Mitotic mapping in the cellular slime mould Dictyostelium discoideum was investigated by analysing the gene order and map distances of four genetic markers on linkage group II: whi, acrA, tsgD (previously reported) and a new spore shape marker sprB.
Dorota Mosses +2 more
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