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Do more Y-DNA STR markers improve the quality of matches’ information?

You should test more Y-chromosome DNA short tandem repeat (STR) markers when you wish to compare additional markers against others with similar results. They will refine your matches for genealogical purposes. It does not increase the number of generations traced by a Y-DNA STR test but rather reduces the range of generations in the time to a common ancestor with your match.

Father's Day Sale at FTDNA

Family Tree DNA is holding a Father's Day sale that ends at 11:59 pm on June 20th. The Y-37 test is on sale for $99 plus postage and the Y-111 test is on sale for $219 plus postage. Although other tests are also on sale, these are the only tests that work for the purposes of our Phillips DNA Project. Here is a link to a page where you can order a test through our project, thus ensuring your results will be placed in our project.

Why don't my Y-DNA test results show me percentages?

Your Y chromosome DNA (Y-DNA) test results cannot be used to indicate your percentage of DNA from different ancestral groups. This is because tracing your Y-DNA line only leads back to one origin. A man receives his Y chromosome from his father, who received it from his father and so on back in time. That means that any ancestry from a man's mother's side, father's mother's side, grandfather's mother's side and so on is not represented in his Y-DNA. 

Phillips DNA Blog