I-BY431 / I2a2a2

Key facts

Samples

Ancient DNA

• I367762175 cal BPaDNA
• I10321.AG4050 BPaDNA
• I7901.AG4050 BPaDNA
• I7900.AG4050 BPaDNA

FAQ

What is haplogroup I-BY431?

I-BY431 (I2a2a2) is a paternal haplogroup downstream of I-PF3923, formed about 6,395 years ago (YFull: 5,100), defined by 33 equivalent mutations; TheYtree curates 12 sub-clades and 29 samples under this lineage (Personal 1 / Scientific 2 / Ancient 26).

When did I-BY431 form?

I-BY431 formed about 6,395 years ago (YFull: 5,100).

Where are I-BY431 samples mainly from?

TheYtree curates 29 samples under this lineage, mainly from Czech Republic、Austria、Germany.

How do I attach my sample to I-BY431?

Register and use the Free Submit tool to submit your Y-haplogroup or SNP; it will be placed on the corresponding paternal tree.