ROOTS DNA
EXCLUSIVE OFFER
EXCLUSIVE OFFER - FREE ADDITIONAL ANCESTRY RESULTS.
With our code ADPOLAND5 for ADVANCED TEST at www.tellmegen.com, you not only get a 5% discount on your test but also gain access to additional ancestry results from genomik.pl!
Simply send us your results file (raw data) from the same email address used to place your order, along with your order number. Within 7 days, you'll receive an ancestry analysis covering 190 countries and over 2,114 regional populations within those countries!
Thanks to our additional analysis, you’ll discover where your ancestors lived 900–700 years ago (Standard Report) and 500–400 years ago (Recent Report). Both at no additional costs with our code.
If you have already taken the test and have a data file, we can perform an additional analysis. Contact us with information about the company where you took the test, and you will receive instructions on how to send us the file and make the payment for the service.
Check out example results for people from various countries below.
GERMANY_POLAND__Standard.pdfUK_Standard.pdfSWEDEN_NORWAY_Standard.pdfYRDNA_Ancestry_YRGEI838T2_Standard.pdfYRDNA_Ancestry_YRU7LYUN9F_Recent.pdfYRDNA_Ancestry_YRZ9OPW2ZJ_Standard.pdfITALY_Standard.pdfYRDNA_Ancestry_YR1CFHBS3Y_Standard.pdfYRDNA_Ancestry_YRNACQADNU_Standard.pdfYRDNA_Ancestry_YRS4UXF751_Standard.pdfGERMANY_Standard.pdfPOLAND_Standard.pdfPOLAND_Recent.pdfYRDNA_Ancestry_YR66XO7MV5_Standard.pdfPOLAND_2_Standard.pdfYRDNA_Ancestry_YRDBR6NRPX_Standard.pdfHow Does Genetic Ancestry Analysis Work for Recent Centuries?
Genetic ancestry research provides insights into ancestral migrations over different historical periods. Analyses focused on the last 900–400 years—covering the Middle Ages and early modern period—are particularly fascinating. Our proprietary method is based on scientific studies. Below is a general outline of this methodology:
1. Analysis of Genetic Markers Over Short Time Scales
Autosomal DNA (atDNA)
Autosomal DNA, inherited from both parents, is crucial for studying recent generations (up to 20–40 generations back).
Hundreds of thousands of SNPs (Single Nucleotide Polymorphisms) are analyzed, allowing researchers to determine genetic similarities to modern populations and connections to historical groups (Patterson et al., 2012) .
2. Statistical Models and Migration Algorithms
a) Admixture Analysis
Tools like ADMIXTURE or ChromoPainter identify proportions of mixed ancestry over short time frames.
By comparing ancient and modern DNA databases, these analyses can pinpoint periods of intensive migrations (Alexander et al., 2009).
b) Chromosome Segmentation and DNA Block Patterns
The length of shared DNA blocks with reference populations decreases over time since a common ancestor.
This data helps estimate separation dates (Hellenthal et al., 2014).
c) Genetic Drift and Mutations
Changes in allele frequencies caused by genetic drift may result in regional differences over short time spans.
These variations are factored into models to refine results (Pickrell & Pritchard, 2012).
3. Reference Data and Archaeological Samples
Ancient DNA Databases: Include samples from the late Middle Ages and early modern periods, reflecting populations from 400–900 years ago (Haak et al., 2015).
Comparisons with Modern Populations: Reveal similarities with contemporary ethnic groups and migration traces.
Computer Simulations of Migrations: Programs such as GLOBETROTTER reconstruct population movements, accounting for wars, epidemics, and trade exchanges (Hellenthal et al., 2014).
References
Alexander, D. H., Novembre, J., & Lange, K. (2009). Fast model-based estimation of ancestry in unrelated individuals. Genome Research.
Haak, W., et al. (2015). Massive migration from the steppe was a source for Indo-European languages in Europe. Nature.
Hellenthal, G., et al. (2014). A Genetic Atlas of Human Admixture History. Science.
Jobling, M. A., & Tyler-Smith, C. (2003). The human Y chromosome: an evolutionary marker comes of age. Nature Reviews Genetics.
Patterson, N., et al. (2012). Ancient admixture in human history. Genetics.
Pickrell, J. K., & Pritchard, J. K. (2012). Inference of population splits and mixtures from genome-wide allele frequency data. PLOS Genetics.
Terms of service.
By using our code ADPOLAND5 (buying Advanced tellmegen.com test ), the client is entitled to a free service at genomik.pl - additional ancestry results - valued at €9.99.
The service can be redeemed within 100 days of using the code.
Interested clients must send us their test results in .csv format (compressed as .zip). Use the uploading form below. Files can be encrypted, and we will request the password in a separate email.
Clients will receive their results within 7 business days via email in the form of a .pdf file.
The submitted data is not shared with any third parties and is deleted from our database 30 days after sending the results to the client.
The genomik.pl portal is operated by BALTIC GRIFFIN KRZYSZTOF KURPIECKI - POLAND, which provides and is responsible for this service.
We reserve the right to potential inaccuracies related to the applied methodology. The results should be treated as the outcome of a process conducted with the utmost care, based on current scientific research, though they may represent an approximate reflection of reality.
In the event that we are unable to provide additional analyses (force majeure), a client who has used our code and paid for the service at tellmegen.com is entitled to receive a refund of the service fee—€9.99 from genomik.pl —via SEPA transfer to an EU bank account. If other refund methods are selected, any transfer fees required by the payment operator will be deducted from the refunded amount.