Petition updateAncestryDNA: Improve Your Reference Panel To Make Your DNA Testing Accurate

Another Example Of Ancestry Bias; And….

Nicole CzarneckiPrivate, MD, United States
Sep 24, 2026

Of course I’m watching the coming update. As far as the bias example: 

“Our Sephardic Jewish region does not represent the shared history of all Sephardic groups. Instead, it represents Sephardic people who live or have historically lived in specific areas around the Mediterranean including Spain, Turkey, and Greece. Importantly, having this region in your results does not prove or disprove whether you belong to this ethnic group. Identifying with or being a member of an ethnic or cultural group involves much more than genetics.” 

That’s now how legitimate science works. First of all, Jewish ethnicity/genetics/“race” did not change just because of exiles, etc.. The same goes for, e.g., Native American and African groups whom were forced to adopt certain cultures, etc.. Second of all, people who engage in legitimate science try to represent even all groups within a group as much as possible. Random sampling and lacks of selection & confirmation bias exist for a reason. Therefore, for Ancestry to even claim, “Our Sephardic Jewish region does not represent the shared history of all Sephardic groups. Instead…” is unacceptable. 

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