Turner Syndrome Turner Syndrome Turner syndrome is a condition in which a girl or woman is partially or completely missing an X chromosome It can cause infertility and heart problems and alter a female’s appearance NICHD plays a leading role in advancing research on Turner syndrome by supporting the investigation of its physical and emotional effects as well as potential therapies
What causes Down syndrome? | NICHD - NICHD - Eunice Kennedy Shriver . . . Sometimes, a parent who does not have Down syndrome may carry a translocation in chromosome 21 that can be passed on to children and cause Down syndrome Studying the parents’ chromosomes can reveal whether this is the cause of the syndrome