The question that is uppermost in the minds of parents of a patient with a chromosomal anomaly has still not been approached . 对于一个染色体异常的患者的双亲来说，思想上最大的问题仍然没有人触及。
2.
Chromosomal anomalies - - defects in chromosome number and structure - can also cause genetic diseases 多基因影响的非正常反应来自于很多基因组的混合影响。
