What is Trisomy?
{{unsourced|date=March 2012}} A '''trisomy''' is when there are three copies of a [[chromosome]]. Normally in humans there is only two copies of any given chromosome. The most notable condition is [[Trisomy 21]] [[syndrome]] which is better known as [[Down Syndrome]], a form of developmental [[genetic disorder]]. [[Trisomy 16]] is a cause of [[miscarriage]]. == Related pages == *[[Aneuploidy]] {{biology-stub}} [[Category:Trisomies]]