FamilyTreeDNA and myOrigins

+7 votes
107 views

I have a question about myOrigins option on FamilyTreeDNA.

A family group Child and both parents took the Family Finder test on FTDNA and myOrigins results seem partially random.

Father has 11% of Jewish Diaspora, Sephardic and the child has none.

Mother has 9% of Middle Eastern, Asia Minor and the child has none, but has 3% of Middle Eastern, West Middle East.

Also in Europe there are some differences.

I thought it will be more mathematical. Does anyone have some explanation for this differences?

Father 

Middle Eastern - 0%

  • West Middle East < 2%

European - 87%

  • East Europe - 54%
  • Scandinavia - 5%
  • Southeast Europe - 25%
  • West and Central Europe - 3%

Jewish Diaspora - 11%

  • Sephardic - 11%

Mother

Middle Eastern - 9%

  • Asia Minor - 9%

European - 91%

  • East Europe - 63%
  • Southeast Europe - 28%

 Child

Middle Eastern - 3%

  • West Middle East - 3%

European - 97%

  • East Europe - 50%
  • Southeast Europe - 36%
  • West and Central Europe - 11%
in The Tree House by AleŇ° Trtnik G2G6 Pilot (559k points)

1 Answer

+7 votes

DNA is more on the statistical side than the simpler math. Since you get one of each pair from each parent, it depends on which of the pair some of the markers used for ethnicity were on. There may be different amounts of markers on each. That can account for part of it. There is also some crossover between chromosome pairs that can lead to differences. Someone else can probably give a more detailed explanation.

by Doug McCallum G2G6 Pilot (424k points)

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