They have one abnormal gene from that parent and one normal gene from the other parent.

他们具有来自父母一方的一个异常基因和来自父母另一方的一个正常基因。

Whether you inherited an abnormal breast cancer gene or acquired it, if you have one normal gene, that gene will still work to control cell growth and prevent cancer.

无论你具有遗传性还是获得性异常乳癌基因，如果你有一个正常基因，这个基因都仍将运行以控制细胞生长并预防基因。

Some people with ASD have abnormal chromosomes, but this can't be the whole story. There are people with the same gene changes who don't have autism.

有些患有自闭症的人有不正常的染色体，但这不可能是全部解释。有同样的基因改变的人并没有自闭症。

Cancer cells have abnormal levels of methylation, which turns the gene switch off halting the assembly line of critical proteins found in normal cells.

癌细胞甲基化水平的异常导致基因开关关闭，使得正常细胞关键蛋白的装配线出现缺陷。

The mutation or abnormal expression of CHD gene is thought to be related to some human diseases.

CHD基因突变或表达异常与人类某些疾病有关。