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 ...

What are chromosomal abnormalities? Learn how and why they can result in miscarriage or chromosomal disorders. Finding out you're pregnant should be an exciting time, but it can also be stressful.

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 ...