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FTDNA mt-tree branch

A2

A2 is a branch of the FamilyTreeDNA mt tree with 1,830 kits that gave a country, counting all sub-branches. It is most common in these samples: Nicaragua (73% of kits), El Salvador (52% of kits), Venezuela (38% of kits). The branch's common foremother lived about 17k years ago: the FTDNA Discover estimate runs from 16k to 18k years ago. YFull has 1,646 samples in this branch and dates its common foremother to 7,400 years ago.

1,830
kits in the branch
with a country given, including all sub-branches
461
on the branch itself
kits whose test did not resolve a sub-branch
6
sub-branches
3 with their own page, 3 without
17k years
age by Discover
the common foremother lived 16k to 18k years ago
7,400 years
age by YFull
common foremother (TMRCA); the branch split from its parent 14k years ago

Where it is found #

Countries and regions given by the branch's carriers. “Share of branch” is the part of the branch's kits that belongs to the country. “Share of country” is the part of that country's kits that falls into the branch; it is computed only for countries with at least 50 kits.

Where it is found
Country / region kits Share of branch Share of country
Mexico 558 31%
United States (Native American)United States 250 11%
Puerto Rico 194 31%
United States 143 0.7%
Spain 102 7.0%
Canada 79 3.7%
Colombia 77 36%
Canada (First Nations)Canada 51 38%
Brazil 45 10.0%
Cuba 45 21%
Nicaragua 37 73%
Guatemala 29 ·
El Salvador 27 52%
Venezuela 24 38%
Costa Rica 23 ·
Argentina 16 16%
Dominican Republic 15 14%
Honduras 11 ·
Peru 11 13%
Ecuador 10 20%
27 more

The remaining countries and regions (27), 83 kits in total: Panama 10, France 9, Chile 6, England 6, Germany 6, Italy 6, Portugal 6, Ireland 4, Greenland 3, Spain (Andalusia) 3, United Kingdom 3, Aruba 2, Austria 2, Cayman Islands 2, Paraguay 2, Spain (Canary Islands) 2, Bahamas 1, Bolivia 1, Finland 1, Hungary 1, India 1, Israel 1, Italy (Sicily) 1, Korea, Republic of 1, Poland 1, Spain (Castile and León) 1, Syrian Arab Republic 1.

YFull

Most common among these peoples #

From YFull samples that gave a mother tongue: the part of a people's samples that falls into this branch. Peoples with at least 3 samples in the branch are listed.

Sub-branches #

Sub-branches that have their own page (50 kits or more). The bar is the kits in the sub-branch with its own sub-branches; the age is when its common foremother lived.

A2-x
1,216 · 66.4%
A2z
57 · 3.1% 2,100 years
A2a
55 · 3.0% 4,900 years

3 small sub-branches more without a page: 41 kits. On the branch itself, without a resolved sub-branch: 461 kits.

YFull

The same branch on YFull #

YFull builds its tree from the same SNPs; the node is matched by name or by a shared SNP. TMRCA is when the common ancestor of all samples lived, formed is when the branch split from its parent. Intervals are 95%.

A2: 1,646 samples. The common foremother lived 7,400 years ago (7,000–7,800); the branch split off 14k years ago (13k–15k).

In the site's findings #