A DNA junkyard. The Y chromosome is very different from X and the 22 other chromosomes of the human genome. It is smaller and bears few genes (only 27 compared to about 1,000 on the X).

African Ancestry doesn't offer an autosomal DNA test like other companies. Instead, you get an mtDNA or Y-DNA test (males only). Experts aren’t sold on African Ancestry’s DNA tests.

In their new book "Genìa Da Vinci. Genealogy and Genetics for Leonardo's DNA," published by Angelo Pontecorboli Editore, experts Alessandro Vezzosi and Agnese Sabato of the Leonardo Da Vinci ...

It follows a previous report showing that the Werner syndrome protein WRN and its interacting protein WRNIP1 are indispensable for translesion DNA synthesis (TLS) by Y-family DNA polymerases (Pols).

A new book. Genìa Da Vinci. unveils a breakthrough finding by the Leonardo da Vinci DNA Project: The Y chromosome shared by six male-line descendants of his family living in Italy today.

In their new book "Genìa Da Vinci. Genealogy and Genetics for Leonardo's DNA," published by Angelo Pontecorboli Editore, experts Alessandro Vezzosi and Agnese Sabato of the Leonardo Da Vinci ...