primates

the divergence between primates and other groups.

灵长类其他类别的差异。

But many primates, including humans, hae a third photopigment, encoded by a second gene on the X chromosome.

但是多数灵长类包括人类有着三种感光色素，通过在X染色体中的第二种基因编码。

Any of several small, slow-moving, nocturnal prosimian primates of the genera Loris and Nycticebus of tropical Asia, having dense woolly fur, large eyes, and a vestigial tail.

；懒；指；大；在某些分类中，替代原亚目；在另外一些分类中，被认为是原亚目的一个亚部。