Definition of Heteroploid
Heteroploid: A different chromosome number than the normal number of chromosomes. Abnormal numbers of chromosomes are associated with a number of disorders. For example, Down syndrome is the result of having three instead of two chromosome 21s.
Last Editorial Review: 3/19/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Get the latest health and medical information delivered direct to your inbox FREE!