A case of trisomy 22 liveborn female baby with multiple congenital anomalies is described.
摘者报告一例具有多种先天性异常的三染色22症的活产女婴。
So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.
这样，本例胎儿示21三的若干征象：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.
多染色三染色都是一条或多条染色代替了正常细胞中的两条染色形成的。
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Sometimes though, one parent might contribute one chromosome too many, which is called trisomy, or one chromosome less, which is called monosomy.
是有时候，双亲中的一方可会贡献多于一条染色体，这被为三体；或者少一条染色体，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，这一过程为三染色体自救。
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详细解释
者报告一例具有多种先天性异常的三染色
22症的活产女婴。
示21
鼻骨发育不全、牙发育不全、小颌和尿道下裂。
是有时候，双亲中的一方可
会贡献多于一条染色体，这被
为
