Affymetrix this week launched the fourth version of its Chromosome Copy Number Analysis Tool.
According to Affy, CNAT 4.0 implements a hidden Markov model algorithm to identify genome-wide chromosomal gains and losses and loss of heterozygosity using its high-density SNP oligonucleotide arrays and its whole-genome sampling assay.
The tool supports all of Affy’s GeneChip mapping array products, including the 500K Mapping Array Set, the company said.

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