A case of trisomy 22 liveborn female baby with multiple congenital anomalies is described.
摘报告一例具有多种先天性异常的三染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：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.
多染括三染都是一条或多条染代替了正常细胞中的两条染形成的。
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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.
但是有时候，双亲中的方可能会贡献多于条色，这被称为三；或条色，称为单。
And there's trisomy 13, 16, 18.
还有13色三、16色三、18色三。
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色三胎儿不能存活，要想存活就必须在胚胎早期丢失条色，这过程称为三色自救。
So we know that people with Down syndrome have an extra copy of the 21st chromosome, which is why it's sometimes called trisomy 21.
因此，我们知道唐氏综合症患拥有额外的第21色拷贝，这就是为什么它有时被称为21三症。 “三” 意指三个，就像三轮车有三个轮子样。
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划词翻译
详细解释
报告一例具有多种先天性异常的三染
22症的活产女婴。
示21
括鼻骨发育不全、牙发育不全、小颌和尿道下裂。
方可能会贡献多于
色
色
拥有额外的第21
样。
