科学家知道这些损伤发生于出生后，所以说，是获得性的而非遗传性的。
Scientists know that the damage to the DNA occurs after birth and, therefore, is acquired rather than inherited.
也许是因为我的听力损伤是遗传性的，与年龄无关，我并不对戴助听器感到丝毫窘迫。
Perhaps it's because my hearing loss is genetic and not age-related, but I am not at all embarrassed about my new bionic ears.
结论遗传性智力迟缓是由DNA损伤引起的人类表型缺陷；
Conclusion:The genetic mental retardation is the human phenotype blemish caused by injured DNA.
结论遗传性智力迟缓是由DNA损伤引起的人类表型缺陷；
Conclusion:The genetic mental retardation is the human phenotype blemish caused by injured DNA.
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