Haplogroup A2 is an Native Americas branch on the maternal tree of human kind. The woman who founded this line lived between 13,900 and 17,400 years ago (Behar et al 2012b).
Haplogroup A is a branch on the maternal tree of human kind. Its age is between 19,300 and 29,100 years (Behar et al., 2012b).
Reconciling migration models to the Americas with the variation of North American native mitogenomes
In this study we evaluated migration models to the Americas by using the information contained in native mitochondrial genomes (mitogenomes) from North America.