Down’s and Patau’s Syndrome

Down’s and Patau’s Syndrome

Chromosomal abnormalities are responsible for miscarriages and stillbirths. Down’s syndrome and Patau’s syndrome are trisomy disorders, where the individuals have three copies of a chromosome rather than the normal two. Patau’s syndrome (Trisomy of 13th chromosome), is the least common of the autosomal trisomies after Down’s syndrome (Trisomy of the 21st chromosome). Understand the difference between the two with the help of the given illustration and the story.