Gen

Populations Genetics, genetic genealogy, etc.


Genetic Genealogy DTC DNA-Tests overview Q1 2020

Find relatives (autosomal & X-DNA) Statistically everyone inherits at least a DNA piece from every great-great-grandparent (4th generation, 16 ancestors). Beginning with the 5th generation the genetic ancestors diminish: 8th generation 220/256 ancestors, 16th generation 1018/65536 ancestors (Source). This means usually it is possible to find all 2nd cousins trough widespread autosomal DNA testing; most […]


Citizen science analysis of Ashkenazi Y-chromosome haplogroups 4

Recently Wim Penninx posted in the ISOGG Facebook group about his analysis of the known Y-DNA ancestors of Ashkenazi Jews (from where did they arrive in the area of the kingdom of Poland and the Polish-Lithuanian Commonwealth). The first quick look revealed a pearl of citizen science using a large collection of Direct to Consumer […]


Online Course BioInformatics Genetic Data Handling

I hope I can finish this one: ONLINE COURSE BIOINFORMATICS This one sounds interesting for citizen science gen. genealogists wanting to follow newest developments: https://www.coursera.org/course/bioinfomethods1 Week 1: NCBI/Blast I Week 2: Blast II/Comparative Genomics Week 3: Multiple Sequence Alignments Week 4: Phylogenetics Week 5: Selection Analysis Week 6: ‘Next Gen’ Sequence Analysis (RNA-seq) / Metagenomics


Handling big DNA data (genetic files)

I already have some experience with R-Language from DIY Dodecad. I was interested to learn more: A comparison of bioinformatics programming languages http://tolstoy.newcastle.edu.au/R/help/04/06/0388.html https://de.wikipedia.org/wiki/GNU_Octave https://de.wikipedia.org/wiki/Mathematica https://de.wikipedia.org/wiki/MATLAB Learning R: http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/ https://www.coursera.org/course/compdata