98% shared
DNA with him
99.7% with me

Three types of DNA tests

Diagrams from the NIH http://ghr.nlm.nih.gov

Y Haplogroups

Y Haplogroups

By Chakazul, via Wikimedia Commons [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)]

Mitochondria under the microscope

Mitochondrial Haplogroups

Autosomal Inheritance by Steve Morse

Your autosomal test data

Why Do A DNA Test?

• Am I who I think I am?

• Ancestry Composition, as expected?

• Find some distant cousins

• Break a Genealogical Brick Wall

from Cece Moore's blog at http://www.yourgeneticgenealogist.com/2015/02/switched-at-birth-unravelling-century_27.html

My brother at 23andme.com

My brother at Ancestry.com

My brother at FamilyTreeDNA.com

My brother at GEDmatch.com

My brother at DNA.land

Where to test? It depends ...

• 23andme.com
• Ancestry.com
• FamilyTreeDNA.com

http://blog.kittycooper.com/dna-testing/