It’s one thing to wonder where you got your nose or eyes from and it’s pretty amazing seeing them in 100 year old photos of ancestors, but have you ever wondered where all these body parts originated?
Is my dark hair from the Italian side or is it Black Scotch?
I’ve always wondered where my dark hair and light olive skin came from. At first I thought it was the Italian in me, but my mother has the same colouring’s and from what we knew there was no Mediterranean blood on her side.
With the recent discoveries I can confirm this and have come to the conclusion that it must be Black Scotch, but it made me wonder just how much of me is English, Scottish, Italian etc, so I applied a little bit of maths to figure this out in percentages.
Of course with DNA testing, you can only figure out the exact percentage of DNA inherited by testing each generation, but you can still make a good go of it.
You could also take the sex chromosome route which means males are 50% whatever their direct paternal line is and 50% whatever the direct maternal line is. For females, who only inherit their chromosomes from their mothers, you would be 100% whatever your direct maternal line is. So in that case I’m 100% Polish but my brother is 50% Polish and 50% English (Cornish). Continue reading →