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What's the difference between genome-wide data and mitochondrial genomes?
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[QUOTE]Originally posted by beyoku: [QB] I can give you a real world example with my child's 23andme Report. Here is a screen shot showing the Childs Ancestry as passed on from the parents. [IMG]http://i204.photobucket.com/albums/bb178/beyoku/BabyB_zps396971ef.png[/IMG] This is the whole genome. You are able to get this split view because both parents have had their DNA sequenced and the proprietary programs form 23andme knows EXACTLY what parts of our ancestry was randomly passed to the child. This is somewhat of an easy case because My wife (Ethiopian) has no West African and I (African American) have no North African nor East African....so really you almost know what is what since our African ancestries are so distinct. Now I have a cousin who's wife is Kenyan. His wife as far as whole genome ancestry is East African AND West African. Looking at the child's genome alone you wouldn't be able to tell which portions of West African were from the father or mother....and sometimes its not a clear 50% of all different ancestries down the line IE: If she is 50% West African, 25% Nilotic and 25% Cushitic the child's RANDOM recombination of Ancestry would inherit 50% but not in these exactly [b]proportions[/b]. [URL=https://en.wikipedia.org/wiki/Sandra_Laing]This this woman[/URL] who hypothetically inherited ALL of Each parents white African ancestry instead of half of it and came out looking pretty mixed. Its like second nature to cut these figures in half but when with heterogeneous genomes its not quite that simple. Here is another paining of Just the Child: [IMG]http://i204.photobucket.com/albums/bb178/beyoku/Apaint_zpsjyc84nx9.png[/IMG] When looking at Mtdna. It is ONLY the mothers line, mothers mothers mother...all the way back. The Child is East African L3f, but L3f sublades also show up in West African. I have a Zimbabwean frined that is E1b1a8a and L3f1b4a. His WHole genome is 95% West African and 5% East African. I have an Ivory Coast coworker that is E1b1a8a1a /L3f1b4a1 his whole genome is 100% West African. Obama kids carry a presumable a MTdna of West African or SSA origin, as I would presume his potential Sons BUT ONLY whole genome would tell us his kids are 25-35% or more European ancestry. [/QB][/QUOTE]
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