Digital Analysis of Selected Regions: a computer-assisted analysis of specific pre-selected genetic regions. In the Harmony test, several hundred chromosome-specific genetic regions are tested for each chromosome of interest. These genetic regions have been previously defined in a complex procedure, allowing a stringent standardisation of the Harmony test. In previous methods (rMPS, random massively parallel sequencing) the gene sequences for examination were chosen at random.The genetic regions in the Harmony test have been chosen so that they lead to a very high accuracy and a very low failure rate. This focus on key sequences increases the efficiency of the test and means that the gene sequences can be examined approximately ten times more accurately than with tests based on the rMPS method.

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