Haplogroup B (mtDNA)
| Haplogroup B | |
|---|---|
| Possible time of origin | 50,000 YBP | 
| Possible place of origin | Southeast Asia | 
| Ancestor | R11'B B4'5'R11B6'R24 | 
| Descendants | B2,B4, B5, B6 | 
| Defining mutations | 8281-8289d | 
In human mitochondrial genetics, haplogroup B is a human mitochondrial DNA (mtDNA) haplogroup.