<unk> , also called<unk> y, is a chromosomal disorder in which a fetus has three copies of every chromosome instead of the normal two. If this occurs in only some cells, it is called mosaic<unk> y and is less severe. Most embryos with<unk> y miscarry early in development.
Triploid syndrome
XX male syndrome
XXXY syndrome
XXXXY syndrome
Microdeletion syndrome
Chromosome instability syndrome
XXYY syndrome
XYY syndrome