Afro-Brazilians
Genetic studies

Line
Origin
Negros (Black)|
Maternal (mtDNA)
native African
85%
Maternal (mtDNA)
Europe
2.5%
Maternal (mtDNA)
Native Brazilian
12.5%
Paternal (Y chromosome)
native African
48%
Paternal (Y chromosome)
Europe
50%
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.