在人类基因组计划之前,大多数科学家根据我们复杂的大脑和行为假设,人类必须拥有大约 100,000 个基因;一些估计高达 150,000。
(Before the Human Genome Project, most scientists assumed, based on our complex brains and behaviors, that humans must have around 100,000 genes; some estimates went as high as 150,000.)