From: An original phylogenetic approach identified mitochondrial haplogroup T1a1 as inversely associated with breast cancer risk in BRCA2 mutation carriers
Subclade
BRCA1 mutation carriers
BRCA2 mutation carriers
U8
1,458
863
T
1,243
651
J
1,270
630
J1
1,043
513
H
3,706
1,967
H1
582
337
U5
868
458
X1′2′3
221
103
K1a
608
364