On the hunt for more hidden recombinations

In my last post I’ve written about discovering hidden recombinations on the X-chromosomes of my father and his siblings after comparing them to a distant cousin match. This has raised several questions: Are there more? Where are they? How many of my previous visual phasing results are incorrect because of hidden recombinations? Visual phasing is…

Visual Phasing of Chromosome 1 – updated version using Steven Fox’s Excel spreadsheet

If you have the possibility to test three full siblings, then the next great thing you could do with your DNA results is to try out the Visual Phasing technique developed by Kathy Johnston. It allows you to map the segments of your chromosomes to your four grandparents (without having them or your parents tested)…