نتایج جستجو برای: human chromosomes
تعداد نتایج: 1689246 فیلتر نتایج به سال:
Artificial chromosomes is an exciting technology which has developed rapidly since the late 1990s. HACs (human artificial chromosomes) are autonomous molecules that can function and segregate as normal chromosomes in human cells. The advantages of an artificial-chromosome-based system are 2-fold. First, HACs are an excellent research tool for investigating the requirements for normal chromosome...
Neural networks are organized in committees to improve the correctness of the decisions created by artificial neural networks (ANN’s). In the classification of human chromosomes, it is accustomed to use multilayer perceptrons with multiple (22-24) outputs. Because of the huge number of synaptic weights to be tuned, these classifiers cannot go beyond a level of 92% overall correctness. In this s...
Using fluorescence in situ hybridization we show striking differences in nuclear position, chromosome morphology, and interactions with nuclear substructure for human chromosomes 18 and 19. Human chromosome 19 is shown to adopt a more internal position in the nucleus than chromosome 18 and to be more extensively associated with the nuclear matrix. The more peripheral localization of chromosome ...
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