| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | Afro-Brazilians - Genetic studies |  |  |
| 3 | Line | Origin | Negros (Black)| |
| 4 | Maternal (mtDNA) | native African | 85% |
| 5 | Maternal (mtDNA) | Europe | 2.5% |
| 6 | Maternal (mtDNA) | Native Brazilian | 12.5% |
| 7 | Paternal (Y chromosome) | native African | 48% |
| 8 | Paternal (Y chromosome) | Europe | 50% |
| 9 | Paternal (Y chromosome) | Native Brazilian | 1.6% |

Question: What is the biological and ancestral history of Afro-Brazilian people?
Answer: Afro-Brazilians's mitochondrial DNA, that comes from maternal line, 85% of them come from Africa and 2.5% come from Europe.