而且细胞分裂时可能会产生致命的基因复制错误。据此怀疑主义者们说，走向衰老仍是人类不可避免的未来。
Add that to the dangerous genetic copying errors that occur as cells divide and, for these naysayers, growing old remains an unavoidable future for humanity.
他补充说，如果多线粒体染色体上的DNA同时复制，那么复制整个线粒体基因组将更快。
He added that if the DNA on multiple mitochondrial chromosomes is replicating in concert, replication of the entire mitochondrial genome would occur faster.
AHR的是一种转录因子，也就是说，它控制的信使分子的基因复制过程。
AHR is a transcription factor, meaning that it controls the process by which messenger molecules are copied from genes.
他说该机构必须对新技术明确立场，例如基因复制或者克隆。
He says that the agency must take a position on new technologies, such as genetic copying or cloning.
Fauci说：“它帮助证明了一个概念，即如果基因治疗能阻断CCR5的表达，那就可能会抑制病毒的复制能力。”
"It helps prove the concept that if somehow you can block the expression of CCR5, maybe by gene therapy, you might be able to inhibit the ability of the virus to replicate," Fauci said.
Fauci说：“它帮助证明了一个概念，即如果基因治疗能阻断CCR5的表达，那就可能会抑制病毒的复制能力。”
"It helps prove the concept that if somehow you can block the expression of CCR5, maybe by gene therapy, you might be able to inhibit the ability of the virus to replicate," Fauci said.
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