Друзья, сегодня получил данные теста 23andMe.
Y-гаплогруппу определили детальнее, чем ftdna Y-111, а именно - N1b1. Хотел вставить скриншот, выдает ошибку аттача((
Вопрос. Возможно ли такое, что попсовый 99-долларовый тест от 23andMe дал больше нежели Y-111 от ftdna. Я думал, что последняя компания более серьезная и профессиональная в области популяционной генетики.
или к N1b1 от 23andMe стоит относиться скептически?
Пожалуйста, прокомментируйте.
Тест на 111 маркеров (Y-STR) это совсем другой тест, чем тест на проверку снипов (Y-SNP).
Если бы Вы заказали в FTDNA тест на снип P43 - тогда бы и получили субклад N1c2b (ранее N1b)
У Вас действительно определили P63?
Можно написать и попросить перепроверить
пришел ответ от 23andMe
Vivian, Sep 16 11:37 am (PDT):
Hello Andrew,
Thank you for contacting 23andMe. Our sincere apologies for the delayed response. We are currently experiencing a high volume of inquiries.
There are several reasons why results can vary between genetic ancestry testing services. FTDNA is a third-party site that is not affiliated with or supported by 23andMe. While we are unable to confirm or verify the methods they used to assign your haplogroup, we'd be happy to provide you with information on how we derived your assignment.
Genetic ancestry service providers can use different reference trees to determine haplogroups. 23andMe uses the Phylotree build 7 reference for our maternal haplogroup assignments. Reference trees are periodically updated as the scientific communities of defining mutations improves. Typically there are not drastic changes with each new update.
Services can use different genetic markers in their analysis. While some services like 23andMe use single-nucleotide polymorphisms (SNPs),
other services may use short tandem repeats (STRs) in their analysis. While haplogroup assignments should not vary much between the different markers, there still may be variations between the two. 23andMe probes the mitochondrial DNA at more than 2000 positions that are known to vary from one person to the next. This level of resolution is far greater than that typically provided by genetic ancestry services, but less detailed than full sequencing of all 16,569 base pairs in the mitochondrial genome.
23andMe assigned you the Paternal Haplogroup N1b1, which is a further refinement of your FTDNA assignment N1b, both begin with N1b meaning that they share the same parent haplogroup. This means that up to this point, 23andMe and FTDNA identified the same defining mutations on your Y chromosome. You can review the defining mutations we use to assign your haplogroups from your 23andMe account using the Haplogroup Tree Mutation Mapper. You can compare these mutations to your raw data to confirm our assignment. You can access the Haplogroup Tree Mutation Mapper here:
https://www.23andme.com/you/labs/haplogroup_tree_mut_mapper/I hope this information is helpful for you. Please let us know if you have any additional inquiries.
Best Regards,
The 23andMe Team