A case of trisomy 22 liveborn female baby with multiple congenital anomalies is described.
摘要作者报告例具有种先天性异常的染色体22症的活产。
Polysomy, which includes trisomy, is the condition in which one or more chromosomes are represented more than twice in the cell.
染色体包括染色体都是染色体代替了正常细胞中的两染色体形成的。
So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.
这样，本例胎儿显示21体的若干征象：包括鼻骨发育不全、牙发育不全、小颌和尿道下裂。
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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，亲中的方可能会贡献多于条染色，这被称为三；或者少条染色，称为单。
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号染色三胎儿不能存活，要想存活就必须在胚胎早期丢失条染色，这称为三染色自救。
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者拥有额外的第21号染色拷贝，这就是为什么它有被称为21三症。 “三” 意指三个，就像三轮车有三个轮子样。
And there's trisomy 13, 16, 18.
还有13号染色三、16号染色三、18号染色三。
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划词翻译
详细解释
例具有
种先天性异常的
染色体22症的活产
。
，
亲中的
，这被称为
称为三染色
拷贝，这就是为什么它有
被称为21
样。
