There are hundreds of blogs dealing with Genetic Genealogy and developing a clear picture from reading the innumerable articles can be rather daunting. This page from the blog “Wheaton Surname Resources”
https://sites.google.com/site/wheatonsurname/beginners-guide-to-genetic-genealogy contains sixteen well written and simple to understand lessons to get you started on this new quest. The lessons are found at the bottom of the page.
Introduction to Genetic Genealogy: Dead People Can Talk After All http://tinyurl.com/geneticgenealogyguide
Note: the best way to absorb these lessons is to read them one at a time and follow the suggested links–not only will this help with “beginner’s head spinning syndrome”– it will allow you to absorb the material more fully. If you are an advanced beginner or intermediate you might find the terminology and background in Lesson 5 invaluable no matter which lessons are of interest. Also have a look at Lesson 11 which has a list of resources to help you including a new “Cheat Sheet File” category. If you really