squirrel monkey Saimiri sciureus
Until fairly recently , the studies were limited to short - lived creatures genetically distant from humans.
但这类研究针对的都是与人类遗传相去甚远的 短命 生物, 一直要到前阵子,才出现了针对接近人类的两种灵长类(河猴与松鼠猴)研究报告。