606
edits
DNA Day at the FamilySearch Library (view source)
Revision as of 16:50, 21 April 2021
, 21 April 2021→How Genealogists Use DNA
Korirobbins (talk | contribs) |
Korirobbins (talk | contribs) |
||
| Line 81: | Line 81: | ||
==''How Genealogists Use DNA''== | ==''How Genealogists Use DNA''== | ||
There are currently five DNA testing companies who test both ethnicity and provide match lists: AncestryDNA, FamilyTreeDNA, 23andMe, MyHeritage DNA, and Living DNA. | There are currently five DNA testing companies who test both ethnicity and provide match lists: AncestryDNA, FamilyTreeDNA, 23andMe, MyHeritage DNA, and Living DNA. The match lists are essential to using DNA in family history research. | ||
=== | ===Autosomal DNA (atDNA)=== | ||
Autosomal DNA or atDNA testing can help with the following research questions. | |||
* | *Adoption and unknown parentage questions | ||
*Eliminating one of two possible ancestors | |||
*Finding up to about 3x great-grandparents | |||
=== Y-DNA === | |||
Y-DNA testing can help with the following research questions. | |||
*An unknown father, grandfather, great-grandfather, etc. | |||
*Surname projects | |||
=== Mitochondrial DNA (mtDNA) === | |||
Mitochondrial DNA or mtDNA is most useful when used in conjunction with atDNA on the maternal line. | |||
==''Grouping DNA Matches''== | ==''Grouping DNA Matches''== | ||