|
Topic |
Down Syndrome (Trisomy 21; Trisomy G) |
||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||
|
Down Syndrome: Trisomy 21 |
Photo size: small | high
|
Return to Topic | |||
|
| |||
A set of chromosomes from a patient with Down syndrome. Chromosomes 21, which should be a pair, have an extra chromosome, making three of a kind.
Photograph © 1990 SPL/Custom Medical Stock Photo.