The Challenges of Jewish DNA testing
By Kitty Munson Cooper
Blogging at blog.kittycooper.com
98% shared
DNA with him
99.7% with me
are NOT
the same as
personal genome tests
Forensic DNA tests
23 pairs of chromosomes
Image of painted (SKY) chromosomes - where each of the 23 pairs of chromosomes comes in a distinct color. Courtesy of DeWitt Stetten, Jr., Museum of Medical Research
Y Haplogroups
Sample Y DNA STR results for 37 markers
Jewish E haplogroup Family Tree DNA project
Mitochondria
Inheritance from 8 g-grandparents, courtesy of Angie Bush
Admixture of a 100% Ashkenazi person from GEDmatch.com
Photo of Elizabeth Jacobs born 1842 in Poland, the great grandmother of a friend.
Photo given to her by a cousin found with DNA
Some statistics showing the number of matches from my own family
Used by permisson from Paull et al paper (link in handout)
| Company | 23andMe | ftDNA FF | AncestryDNA |
|---|---|---|---|
| At SNPs | 577,382 | 708,092 | 682,549 |
| Y SNPS | 2329 | None | 885 |
| X SNPS | 19,487 | 18,091 | 17,604 |
| mtDNA SNPS | 3154 | None | None |
| Tests in the database (as of 12 April 2015) |
over 900,000 | About 140,000 | over 700,000 |
Statistics as listed at ISOGG dated April 2015
Relationship Chart from ISOGG wiki
The Challenges of Jewish DNA testing
By Kitty Cooper
The Challenges of Jewish DNA testing
Working with DNA testing presents unique challenges to the Jewish genealogical community due to the close relatedness of their DNA and the lack of deep family trees
