presumably in a single cell, extend to the DNA in all other cells? For a question from a layman, I'm impressed with the use of in vivo. There is so much DNA in our cells. In just one cell, there's about seven feet of DNA ...
maybe 1/100 of 1% of the 6 billion bases of the human genome. and even those half-million bases can tell us a lot about ancestry and specific traits you might have. so they compare your genome to people from scotland or people from brazil and that's how they can tell what percent...