“There have been a lot of recent changes—the advent（8） of agriculture, shifts in diet, new habitats（9）, climatic changes—over the past 10,000 years,said Jonathan Pritchard, a human geneticist at the University of Chicago who led the study.
“There have been a lot of recent changes—the advent（8） of agriculture, shifts in diet, new habitats（9）, climatic changes—over the past 10,000 years,said Jonathan Pritchard, a human geneticist at the University of Chicago who led the study.
主研究员、芝加哥大学的人类遗传学专家乔纳森·皮查德说：“人类最近有很多进化现象：在过去一万年中，农业、饮食、栖息地、和气候都有很大变化。”