منابع مشابه
Estimating average annual per cent change in trend analysis
Trends in incidence or mortality rates over a specified time interval are usually described by the conventional annual per cent change (cAPC), under the assumption of a constant rate of change. When this assumption does not hold over the entire time interval, the trend may be characterized using the annual per cent changes from segmented analysis (sAPCs). This approach assumes that the change i...
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During meiosis, DNA events of recombination occur in direct physical association with underlying chromosome axes. Meiotic cohesin Rec8 and cohesin-associated Spo76/Pds5 are prominent axis components. Two observations indicate that recombination complexes can direct the local destabilization of underlying chromosome axes. First, in the absence of Rec8, Spo76/Pds5 is lost locally at sites of late...
متن کاملDeletion polymorphism in wheat chromosome regions with contrasting recombination rates.
Polymorphism for deletions was investigated in 1027 lines of tetraploid and hexaploid wheat and 420 lines of wheat diploid ancestors. A total of 26 deletions originating during the evolution of polyploid wheat were discovered among 155 investigated loci. Wheat chromosomes were divided into a proximal, low-recombination interval containing 69 loci and a distal, high-recombination interval contai...
متن کاملChromosome translocation based on illegitimate recombination in human tumors.
Recurrent chromosome translocations in nonhematological tumors are restricted to specific subtypes, and their mechanism is currently unknown. Analysis of the sequence data of 113 interchromosomal junctions derived from 77 Ewing's tumors carrying the characteristic t(11;22) translocation indicate that, in this tumor, translocations are initiated independently on each chromosome in regions that l...
متن کاملReciprocality of recombination events that rearrange the chromosome.
We describe a genetic system for studying the reciprocality of chromosomal recombination; all substrates and recombination functions involved are provided exclusively by the bacterial chromosome. The genetic system allows the recovery of both recombinant products from a single recombination event. The system was used to demonstrate the full reciprocality of three different types of recombinatio...
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ژورنال
عنوان ژورنال: Genetics
سال: 1962
ISSN: 1943-2631
DOI: 10.1093/genetics/47.4.407