The DNA analyses also show that only a small part of a chromosome was transferred.

DNA分析也显示仅仅一个染色体的一小部分被转移。

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To find out, I recently spent a day at the University of Pittsburgh getting a battery of DNA analyses and brain scans.

为揭开这个疑问，最近我在匹兹堡大学花了一天时间，接受了大量DNA分析和大脑扫描。

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