单词：trisomy
音标：['traisәjmi] ；
n. [生]三(染色)体性,三(染色)体细胞
n chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell
词型变化：名词复数形式 : trisomies
trisomy的用法和样例：
例句
用作名词(n.)
- An aneuploid state in which a third homologous chromosome is present in addition to the normal autosomal pair is called trisomy.除了正常染色体对以外，还存在有第二种同源染色体的非整倍体状态，被称为三体性。
