Questions tagged [23andme]

Use for questions about the dna website 23andme.com

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Confirming my real (genetic) grandfather from 23andMe results

I recently found a photo of my maternal grandparent’s wedding party. I’ll refer to my maternal grandparents as GM (grandmother) and GF (grandfather). I was surprised to see that one of the people in ...
MrAnon1900's user avatar
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0 answers
72 views

My daughters half brother shows up as 15.4%

My family did 23 and me, my daughter and her 1/2 brother show up as only 15.4%. They’re dad also did one and it shows he is the father of both kids. How is this possible?
Jenny Carpenter 's user avatar
3 votes
1 answer
107 views

Overlapping matches on the X chromosome for two males at 23andMe

I've come across some Detailed segment data from 23andMe that I've never seen before that I don't understand. Detailed segment data in 23andMe is available under the "Family & Friends" ...
lkessler's user avatar
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1 vote
1 answer
80 views

Understanding ancestry composition results from 23 and Me

I recently did 23 and Me. I was primarily curious about my father's side. He passed away when I was young and his side of the family didn't keep great records in terms of where their ancestors came ...
Rosie's user avatar
  • 113
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24 views

1st – 2nd Cousin 395 cM | 6% shared DNA Father's side [duplicate]

I've connected with a cousin on ancestry.com and 23andme and dna doesn't lie he is my cousin. however we cannot find out who our common ancestor is. 1st – 2nd Cousin 395 cM | 6% shared DNA Father's ...
DGJ's user avatar
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0 answers
50 views

Interpreting shared DNA information from FTDNA test

I am brand new to DNA testing and relationships. We did a 23 and me due to a health scare, there was a sale so we say why not see ancestry and family too. My husband's test came back saying someone he ...
Lilkimposter's user avatar
1 vote
0 answers
98 views

Using DNA to find biological father

I have done both 23 & me and Ancestry trying to gets leads on who in the world my birth father could be. My mom truly can’t recall. I found a first cousin or potential great aunt I think. She ...
The Mindful Raven's user avatar
0 votes
1 answer
297 views

How do Genetic Percentages in Common Compare to Possible Familial Relationships?

I recently was contacted about a deceased half-sister who is 11 years older than me. I did a 23AndMe test, and it shows us as 1st cousins with 13.57% shared DNA. An adoption agency lists my mother as ...
Travis's user avatar
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0 answers
68 views

Is 64.2% / 4776 cM full sibling an outlier?

According to 23andme, my younger brother and I (male) matched 64.2% with 4776 cM. That seemed weird since our matches with our parents are the normal ~50% or just under. This is very much not my field,...
Trev's user avatar
  • 101
4 votes
2 answers
7k views

Sharing 52% DNA with mother

I received my 23 and me results and it says I share 52% DNA with my mom. Is this possible?
Anónimo's user avatar
1 vote
0 answers
54 views

ALL 23andme matches link via one grandparent?

I have spent hours today looking at my 23andme DNA matches, and while I have not checked every single one, it seems to me that ALL of them descend from ancestors of my paternal grandmother. I am 100% ...
Victoria T's user avatar
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1 answer
172 views

Seeking example of invasion of privacy (PII ) by DNA testers

On 31 Jan 2021 CBS 60 minutes did a lengthy segment on data collection of individuals by foreign countries, particularly China, having access to individual biometrics data including an individual's ...
BobE's user avatar
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3 votes
1 answer
315 views

Why does 23andMe say there's "not enough information" on a few of my chromosomes?

I've been looking at the chromosome painter and my matches in 23andMe, and realised I have a few chunks of DNA that are greyed out and read "not enough information", and therefore don't ...
Charlie's user avatar
  • 1,659
0 votes
1 answer
94 views

331 cm Uncle - could it be different relative

On 23&me the DNA results came in yesterday and it exactly states "You & John share the DNA that was passed down from two of your grandparents (his parents)". We have 331cm in common ...
DEBBIE's user avatar
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2 votes
2 answers
129 views

Y-dna upgrade or SNP pack?

I took the Y-dna12 test first, it came out as J-M67 but I want to proceed to find out my subclade and I can't decide to either get the J2 - M67 & L24 SNP Pack or to upgrade to Y-DNA67. What would ...
user12859's user avatar
3 votes
2 answers
1k views

Does AncestryDNA sequence the Y Chromosome, and if so, to what extent?

I have recently read that you can use third party tools like Morley's DNA and Cladefinder to generate your haplogroup from Raw DNA. SInce you get no haplogroup info from Ancestry, do they bother ...
Charlie's user avatar
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1 vote
1 answer
680 views

Does 23andMe limit matches?

Out of 1500 DNA matches, none are more distant than estimated 5th cousin (15 Centimorgans). Do 23andMe have a 15 Centimorgan cutoff, or a cutoff of the number of matches that is limiting how many ...
Charlie's user avatar
  • 1,659
2 votes
1 answer
101 views

Can two Paternal Y-DNA Haplogroups still be identical if they are processed on two different 23andMe Chips?

I have a male match on 23andMe that I'm fairly certain is a Paternal match through my Paternal Grandfather. As far as I understand it, I should have a (nearly?) identical Y chromosome to him. ...
Danny B's user avatar
  • 1,410
2 votes
2 answers
199 views

23andme shows a man as my dad's cousin, but ancestry.com shows him as my dad's brother

I did 23andme, and so did our mystery man. Two of my grandfather's brothers also did 23andme, as well as a number of the kids and grandkids of my grandfather's brothers and sisters (my grandfather ...
anna porter's user avatar
2 votes
2 answers
119 views

Determining relationship to cousin solely based on mutual relationships to other cousins

Background I am researching genealogy on 23andMe.com, trying to find new cousins and determine their relationships to me. All the site gives me is a list of people and their predicted cousin-...
Sam's user avatar
  • 119
2 votes
4 answers
475 views

Understanding daughter's 314 centimorgans with half nephew

My daughter just learned she shared 314 centimorgans with a boy we believed was her half brothers son. I have just sent in my sample as the supposed father of her 50 year old half brother. We are all ...
Rob's user avatar
  • 21
0 votes
2 answers
415 views

Do father and mother pass on same DNA to half siblings?

I grew up in a household with half siblings. Same mother different fathers. I grew up never knowing who my dad was. As I got older I started to ask questions. My mother would push back with resistance....
Marianne King's user avatar
2 votes
1 answer
1k views

Child of possible incest

My sisters, two aunts and several cousins (on maternal side) did the 23 and me DNA test. One of my aunts (the younger one) showed up as a half sister to me (we share 1,942 cM and 44 segments) and my ...
user11097's user avatar
2 votes
0 answers
60 views

Have I found both biological parents, one biological parent or should I keep looking?

My husband's mother was adopted without any records (1910 NYC). I located her biological paternal family along with several possible brothers through DNA. I cannot locate her biological maternal ...
G.H.'s user avatar
  • 21
1 vote
1 answer
223 views

DNA/Half-Sibling or First Cousin, Based on Fairly High Shared cMs

Brand new at this and don't have good grip yet on cMs ranges for relationships, especially when number falls in between stated ranges for relationships. Both my dad and I have taken DNA tests from 23 ...
Girl57's user avatar
  • 11
1 vote
1 answer
81 views

Understanding first cousin and grandson/grandfather relationships at 23andMe

I have 2 first cousin matches on 23andme.. both named ‘John’. Their relationship is listed as grandson/grandfather. With that age difference and relationship they both cannot be my cousin. I’m adopted ...
Kristal Mangham's user avatar
1 vote
1 answer
99 views

2nd cousins. One 4%, one 8%?

I’ve recently been matched to two second cousins by DNA. However one shows a 4% match and the other one shows an 8% match. One is on my father’s side and one is on my mother’s side. Why, or how is ...
user10812's user avatar
2 votes
1 answer
319 views

How accurate is Ancestor Timeline of 23andMe?

My Ancestry composition at 23andMe states: "You most likely had a French ancestor, second, third, fourth or fifth great grandparent who was 100% French born between 1760 and 1850." How accurate is ...
user10677's user avatar
3 votes
1 answer
124 views

Calculating segment cM from 23andMe matches?

Going through my list of matches I'm working on a triangulation analysis. (Such that if person A matches from position 10-15 and person B matches from position 10-13 I can break out position 10-13=A&...
Scott's user avatar
  • 131
2 votes
2 answers
672 views

My Full DNA: Whole Genome Sequencing with mtDNA from dante labs

I have done 23andme. And I see there is a 23andme tag and an Ancestry.com tag. I have just come across an ad from Dante Labs for "My Full DNA: Whole Genome Sequencing with mtDNA." While I have a PhD ...
SEID Sufferer's user avatar
3 votes
1 answer
80 views

Which type of DNA test could help spot ancestry from father's great-grandmother?

My father and his sisters have claimed that their great-grandmother was of a different race from the rest of my family. I've tried 23andMe, and I didn't see any interesting results at 3% of my ...
Apophenia Overload's user avatar
0 votes
1 answer
463 views

Can I do the 23 and me spit test after a prolonged fast?

If I fasted for 90 hours beforehand (instead of eating regularly every day), would it affect my 23 and me DNA spit test kit results?
user3002453's user avatar
1 vote
1 answer
112 views

23 and Me DNA testing finding new (close) relatives

I did 23 and Me about a year ago and found a '2nd cousin' (according to their algorithm) who put his background as 'adopted and wanted to find birth family' I reached out to him. Let's call him AJ. ...
BLJ's user avatar
  • 11
3 votes
2 answers
3k views

How can genetic relatives be related to both maternal and paternal sides, but not each other?

I am completely ignorant to all of the genetics of ancestry, although I have a keen interest in family history. I did a DNA test through 23andme, as did my mother and a paternal aunt. In my list of ...
breeis's user avatar
  • 31
1 vote
2 answers
4k views

Interpreting 23andMe results for half siblings that share 45.5% of their DNA?

I was raised to believe that my half sister and I were in fact half sisters with different fathers. We both did 23andMe testing and the results conclude that we share 45.5% of the same DNA. we share ...
Emily Gilliam's user avatar
3 votes
2 answers
437 views

Understanding why two female first cousins share a lot of X-DNA?

I’m on 23andMe. I have a first cousin that I share a lot of xdna with. I am adopted but I am pretty sure she is related to my bio father. I am wondering if I can tell if he is her mother’s brother ...
Leeta Oles Clark's user avatar
4 votes
1 answer
441 views

How to interpret my having ethnicities inconsistent with my parents?

According to MyHeritage's interpretation of our 23andme lab results: My father is 93.7% European (90.5% Ashkenazi, 2% Baltic, and 1.2% Italian), 5.5% West Asian, and .8% Central Asian. My mother is ...
Ellen Spertus's user avatar
1 vote
1 answer
80 views

find relatives in-common or not-in-common based on multiple people?

Out of the hundreds of DNA relatives that show up I only recognize a few. My paternal grandfather's side is a complete mystery; I haven't found one person I recognize from what I know of my family ...
MikeT12's user avatar
  • 111
5 votes
2 answers
494 views

Using "shared DNA" column in 23andme for triangulation?

On the 23andme site when you compare dna with a relative there is a column labeled "Shared DNA" and the description on their site says Shared DNA means that you and your two genetic relatives share ...
MikeT12's user avatar
  • 111
5 votes
1 answer
778 views

I'm a 2nd cousin to someone, my brother is a distant cousin?

My brother and I have both been tested on 23andme. There are many people that show up at different relationships and I'm trying to understand how there can be large differences in predicted ...
MikeT12's user avatar
  • 111
3 votes
1 answer
91 views

Maternal or paternal connection?

23 and me said I was a match on my maternal side to a 1/2 brother - we were both adopted to different families and are trying to find out which side we've matched from. I'm U5b2a2 and he is X2c1 - ...
Katie's user avatar
  • 31
3 votes
2 answers
185 views

Visualising genetic distance information from personal genetics sites

I've been using 23andme.com it shows me a comparison with genetic relatives and lists our common relatives. I have over 1000 3rd, 4th and distant cousins on 23andme. Is there are way to make a ...
ChrisGuest's user avatar
0 votes
1 answer
216 views

Interpreting DNA Results from 23andMe?

I received my results from 23andMe and I read and read and I just don't understand. I wondered if you could help me? My Mother is 91 years old and never knew who her birth father was. We took the ...
Pamela's user avatar
  • 1
1 vote
1 answer
54 views

When will early 2016 23andMe kits be uploadable to GEDmatch.com?

I have a cousin that took a 23andme autosomal DNA test and they reported: I am having trouble uploading my raw data . My 23&me data was purchased more recently so it will not let me download. ...
WilliamKF's user avatar
  • 5,307