With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色體,一個處于成長階段的胚胎可能發(fā)育成一個具有不良綜合癥的小孩。
It is then left completely undisturbed with plenty of food and water so that it can absorb the atmosphere of its new home
然后給它以充足的食物和水,一定不要驚擾它,以便讓它能適應(yīng)新居的氣氛,