B4a1a1

Key facts

Samples

Representative ancient samples (aDNA)

• I430442900-500 BPaDNA
• I410562900-500 BPaDNA
• I18503Naton Beach Site[850-350 BCE]aDNA
• I7111Na Island Pohnpei Caroline Islands310±20 BP PSUAMS-8280aDNA

FAQ

What is haplogroup B4a1a1?

B4a1a1 is a mitochondrial (maternal) haplogroup downstream of B4a1a, formed about 4,800 years ago, defined by 2 mutations; TheYtree curates 70 sub-clades and 57 samples under this lineage (Personal 4 / Scientific 25 / Ancient 28).

When did B4a1a1 form?

B4a1a1 formed about 4,800 years ago.

Where are B4a1a1 samples mainly from?

TheYtree curates 57 samples under this lineage, mainly from Papua New Guinea、French Polynesia、Micronesia.

How do I attach my sample to B4a1a1?

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