With chromosome maps called idiograms, researchers can pinpoint the locations of genes and locate abnormal gene forms ... shows an idiogram for chromosome 12, a medium-sized chromosome with ...

An example of a balanced structural change is the Philadelphia chromosome translocation previously described. In that case, although genetic information was rearranged into an abnormal gene ...

2013;13(6):601-611. In other situations, normal microarray analysis in the presence of an abnormal karyotype, such as marker chromosomes, is reassuring, as it indicates that the marker is lacking ...