A century after Down syndrome was first described, scientists discovered that the root cause of this disorder is a condition called trisomy 21. What strides in research have been made since then?

What is the structure of a chromosome? Why does the total number of chromosomes in a cell matter? Learn how chromosomes self-organize within single cells, and how these patterns help us detect ...

Down Syndrome is also known as Trisomy 21, and Burger wants to raise awareness and contribute to research on the genetic condition.

Texas Rangers infielder Jake Burger and his wife, Ashlyn Burger, found out they were having a daughter with Down syndrome. He ...

Jake Burger will wear No. 21 with the Rangers to honor his daughter who was born with Down syndrome, which has the clinical name of trisomy 21.

The clinical name for Down syndrome is trisomy 21, a condition in which a person is born with an extra chromosome, causing ...

Down syndrome (trisomy 21), Edwards syndrome (Trisomy 18) and Patau syndrome (Trisomy 13) are three aneuploid disorders with significant consequences which can be detected by prenatal evaluation.