Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The presence of
three copies of the 21stchromosome in thekaryotype .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word trisomy 21.
Examples
Sorry, no example sentences found.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.