Normally used to identify chromosomal abnormalities, the test could help detect cancer in people who otherwise have no reason ...

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 ...

People who are born female usually have two X chromosomes. Triple X syndrome (also called trisomy X syndrome, XXX syndrome, or 47,XXX) is a rare genetic condition where females inherit an extra X ...

Sometimes though, Wolf-Hirschhorn syndrome is caused when one of the parents has something called a “balanced translocation.” That means two or more of their chromosomes broke and switched ...