B4a1a

Key facts

Samples

Representative ancient samples (aDNA)

• I430442900-500 BPaDNA
• I430422900-500 BPaDNA
• I438822900-500 BPaDNA
• I426522900-500 BPaDNA

FAQ

What is haplogroup B4a1a?

B4a1a is a mitochondrial (maternal) haplogroup downstream of B4a1, formed about 8,400 years ago, defined by 4 mutations; TheYtree curates 82 sub-clades and 61 samples under this lineage (Personal 5 / Scientific 15 / Ancient 41).

When did B4a1a form?

B4a1a formed about 8,400 years ago.

Where are B4a1a samples mainly from?

TheYtree curates 61 samples under this lineage, mainly from Papua New Guinea、中国、Palau.

How do I attach my sample to B4a1a?

Register and use the Free Submit tool to submit your maternal haplogroup or mutations; it will be placed on the corresponding maternal tree.