The First Step
DNA tests are still considered estimates, due to imperfect data.
When a person wanting to give the test provides the DNA sample through the saliva, the company checks for variance in the saliva, as 99.9 percent of the DNA is the same in humans.
Life is as beautiful as you make it Blog coming soon
FROM THE ARTICLE
MORE LIKE THIS
'It made me question my ancestry': does DNA home testing really understand race?
Can a DNA Test Really Help You Lose Weight?