Definitions
There is 1 meaning of the phrase
Trisomy 21.
Trisomy 21 - as a noun
A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Synonyms (Exact Relations)
down's syndromedown syndromemongolianismmongolism14Example Sentences
"People with trisomy 21 have an extra copy of chromosome 21."
"The most common cause of trisomy 21 is nondisjunction during meiosis."
"Individuals with trisomy 21 often have distinctive facial features."
"A prenatal test can determine if a fetus has trisomy 21."
"There is no cure for trisomy 21, but early intervention can improve quality of life."
