DNA

What is DNA?
dna

DNA or deoxyribonucleic acid is a long molecule that contains our unique genetic code. Like a recipe book it holds the instructions for making all the proteins in our bodies.   Source: https://www.yourgenome.org/facts/what-is-dna

People take DNA tests to learn their ethnicity and where their ancestors come from.
The following are articles, blogs, websites or books on DNA that may prove helpful.

https://www.familysearch.org/blog/en/genealogy-dna-test/ 
https://isogg.org/wiki/Beginners’_guides_to_genetic_genealogyhttps://www.familytreedna.com/
https://people.howstuffworks.com/culture-traditions/genealogy/use-dna-testing-genealogy-research.htmhttps://www.ancestry.com/dna/
Know Your DNA –  https://knowyourdna.com/ 
DNA Explained – https://dna-explained.com/ 
 Search Genealogy books:
https://gengophers.com/#/
 
 Kitty Cooper’s blog – https://blog.kittycooper.com/  
DNA for Genealogy Facebook group – https://www.facebook.com/groups/400191469993768