片语
chromosome abnormality trisomy三体性染色体异常
numerical chromosome abnormality染色体数目异常
chromosome numerical abnormality染色体数目异常
Y chromosome abnormalityY染色体异常
chromosome trisomy abnormality染色体三体异常
fetal chromosome abnormality胎儿染色体异常
chromosome number abnormality染色体数目异常
genetic chromosome abnormality基因染色体异常
chromosome abnormality rate染色体畸变率