There are many different types of chromosome abnormalities that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview.
Overview of Chromosome Abnormalities
Numerical Abnormalities: Overview of Trisomies and Monosomies
Down Syndrome (Trisomy 21)
Trisomy 18 & 13
Structural Abnormalities: Deletions (Cri du Chat) and Duplications (Pallister Killian)
Translocation Down Syndrome
Mosaic Down Syndrome