A case of trisomy 22 liveborn female baby with multiple congenital anomalies is described.
摘要作者报告一例具有多种先天性异常的三染色体22症的活产。
So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.
样，本例胎儿示21三体的若：包括鼻骨发育不全、牙发育不全、小颌和尿道下裂。
Polysomy, which includes trisomy, is the condition in which one or more chromosomes are represented more than twice in the cell.
多染色体包括三染色体都是一条或多条染色体代替了正常细胞中的两条染色体形成的。
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Down's syndrome and trisomy 18 syndrome are two genetic disorders that are often screened for as part of prenatal genetic testing.
唐氏综合症和 18 三体综合征两种疾病，通常作为产前基因检测的一部分进。
Sometimes though, one parent might contribute one chromosome too many, which is called trisomy, or one chromosome less, which is called monosomy.
有时候，双亲中的一方可能会贡献多于一条染色体，这被称为三体；或者少一条染色体，称为单体。
Since trisomy 15 isn't compatible with life, the fetus only survives only if they lose one copy of the chromosome in the early embryo, called trisomy rescue.
15号染色体三体胎儿不能存活，要想存活就必须在胚胎早期丢失一条染色体，这一过程称为三染色体自救。
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详细解释
。
样，本例胎儿
示21三体的若
：包括鼻骨发育不全、牙发育不全、小颌和尿道下裂。
两种
疾病，通常作为产前基因检测的一部分进
。
