If the human genome were put in a straight line, it would be over six and a half feet long.
若将单一细胞内所有的基因组片段拉成一条直线，那长度将超过6.5英尺。
Serpentine. The serpentine consists of half circles connected by a straight line.
蛇乘蛇乘是将几个半圆形用直线连接组成的。
Serpentine. The serpentine consists of half circles connected by a straight line.
蛇乘蛇乘是将几个半圆形用直线连接组成的。
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