A case of trisomy 22 liveborn female baby with multiple congenital anomalies is described.
摘要作者报具有种先天性异常的三染色体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，本胎儿示21三体的若干征象：包括鼻骨发育不全、牙发育不全、小颌和尿道。
Polysomy, which includes trisomy, is the condition in which one or more chromosomes are represented more than twice in the cell.
染色体包括三染色体都是条或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 18 综合征是两种传疾病，通常作为产前基因检测的一部分进行筛查。
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，双亲中的一方可能会贡献多于一条染色，这被称为；少一条染色，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号染色胎儿不能存活，要想存活就必须在胚胎早期丢失一条染色，这一过程称为染色自救。
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详细解释
具有
种先天性异常的三染色体22症的活产女婴。
传 
示21三体的若干征象：包括鼻骨发育不全、牙发育不全、小颌和尿道
。
18 
综合征是两种
传疾病，通常作为产前基因检测的一部分进行筛查。
少一条染色
