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.

Preliminary results of chromosome studies on cultured umbilical-cord-blood leukocytes from a consecutive series of 2159 infants born during a year indicated that gross chromosome abnormalities ...

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 ...

Microarray analysis identifies more chromosome abnormalities than traditional karyotyping in prenatal testing. Microarrays will also identify findings of unclear clinical significance that should ...

Since genes are packed into chromosomes, abnormal chromosomes can actually cause genetic diseases. What methods have scientists invented to study these abnormalities? Drets and Shaw then ...

Created with Sketch. This rare sex chromosome abnormality, also referred to as Jacob’s syndrome, occurs when a male infant is born with an extra Y chromosome. Some symptoms include being tall ...

And in the only case so far reported of an XYY with several children, the abnormality was not transmitted: an Oregon XYY has had six sons, but all have a normal XY pattern. * Chromosome patterns o ...

Cytogenetic technologists are laboratory specialists who study normal and abnormal chromosomes in cells, and their relationship to disease and human development. These include birth defects, fertility ...

Created with Sketch. This rare sex chromosome abnormality, also referred to as Jacob’s syndrome, occurs when a male infant is born with an extra Y chromosome. Some symptoms include being tall ...

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 ...