Iberian Ancestry Report
A Spain- and Portugal-focused ancestry experience combining regional breakdowns with ancient DNA matches.
17 articles
What are "Ancient DNA Matches from Burial Sites"?Which excavated individuals and burial sites your DNA is closest to, across key eras.
Can this report prove or disprove my family stories?Why this report can refine a family story but can't definitively prove or disprove it.
Is this a medical or health test?No — this report is for ancestry and education only, not medical or health testing.
How accurate is the Iberian Ancestry Report?The factors that shape precision: sampling, ancient DNA coverage, migration, and statistical noise.
Are Basque results treated differently?Why Basque-aligned references form a distinct cluster and act as a separate anchor.
How do you handle sensitive historical periods (Roman, Visigothic, Al-Andalus, etc.)?How we treat Roman, Visigothic, and Al-Andalus signals with caution and historical context.
Why not build the regional breakdown purely from ancient DNA?Why we pair living reference panels with ancient DNA rather than using ancient samples alone.
How do you choose which ancient individuals to include?How we select peer-reviewed, well-dated Iberian genomes balanced across geography and time.
How are the ancient matches scored?How we combine genetic-distance measures to score and rank your ancient matches.
What is the Iberian Ancestry Report?What the Iberian report covers and the two ways it reads your DNA.
Do the Iberian percentages always add up to 100%?How Iberian shares are normalized, and what happens with non-Iberian ancestry.
My documented family is from a region that shows 0%. How is that possible?Why a region tied to your family can still show 0%.
What do the Iberian region percentages mean?What your percentages really measure: how your DNA clusters with each Iberian regional pattern.
How are the Iberian regions defined?How the Iberian regions are built from modern anchors and read through ancient DNA.
Which areas does the report cover?The Spanish and Portuguese regions the report covers.
Is this a "modern ethnicity" report?No — what the modern region names mean, and how the anchors are read through an ancient lens.
How is this different from Deep Ancestry or other consumer DNA tests (AncestryDNA, 23andMe)?How Iberian Ancestry zooms in compared with Deep Ancestry or consumer DNA tests.