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Agata [3.3K]
2 years ago
8

Explain y-dna testing​

History
1 answer:
borishaifa [10]2 years ago
6 0
A Y chromosome DNA test (Y-DNA test) is a genealogical DNA test which is used to explore a man's patrilineal or direct father's-line ancestry. The Y chromosome, like the patrilineal surname, passes down virtually unchanged from father to son.
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