Trisomy
01
三体性, 染色体异常
a genetic condition in which an individual has three copies of a chromosome instead of the usual two
例子
Down syndrome is caused by trisomy of chromosome 21.
唐氏综合症是由21号染色体的三体性引起的。
Prenatal testing can detect trisomy conditions such as trisomy 18 and trisomy 13.
产前检测可以检测出三体状况，如18三体和13三体。
