Age: About 3,300 years ago

Origin: Eurasia


Parent Branch: I-Z26403

Descendant branch(s): I-BY428

FTDNA Tree Link: Link

YFull Info

Name: I-A1143

Age: 3300 ybp ± 800 CI 95%

Expansion: 3300 ybp ± 800 CI 95%

Parent: I-A114

Note: This information does not imply an endorcement of YFull or their methods. It is provided at the request of readers.

I-A1143 is a branch on the paternal tree of human kind. It and branches help trace human history from our origin in Africa.

FamilyTreeDNA Y-Haplotree

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I-A1143 Technical Details


This branch is defined by the Y-Haplotree at FamilyTreeDNA as I-A1143. There, it is the child of the I-Z26403 branch.

Defining Variant(s)



This branch is defined by YFull as I-A1143. There, it is the child of the I-A114 branch.

Defining Variant(s)

A1143, Y37976

Sources & Resources

Related Resources

Coming soon…

Academic Sources

Peer reviewed sources have not been added for this branch yet. If you know of one I have missed, please link to it in the comments.

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