Y chromosome
How much do Y chromosome haplogroups shape our views of modern human origins?
The divergent A00 haplogroup roots the modern human Y chromosome tree deeper in time.
![Map of Africa showing high concentration of Y chromosome haplogroup A in Namibia and northeast Africa](/content/images/size/w1460/2022/01/y-chromosome-haplogroup-a-wikipedia.jpg)
The divergent A00 haplogroup roots the modern human Y chromosome tree deeper in time.