Existing comment:
4th Great Grandparents x 64
3rd Great Grandparents x 32
2nd Great Grandparents x 16
Great Grandparents x 8
Grandparents x 4
Parents x 2
How Genetic Single Markets Are Passed Down the Generations
y-DNA is passed down from a father to his sons
mt-DNA is passed down from a mother to her children |