Many of South Africa's linguisticgroups share a common ancestry.
2
Three major haplogroups, namely H, O and R, are shared across the four linguisticgroups.
3
There are thousands of dialects in Africa -Chad alone has two hundred distinct linguisticgroups.
4
The genomic architecture of African populations is poorly understood and there is considerable variation between ethno- linguisticgroups.
5
Much of the early history of academic linguistics was spent reconstructing European "proto-languages", our best guesses at earlier forms of familiar linguisticgroups.