K12b和K7b西伯利亚成分高代表什么？

楼主北方人，K12b和K7b结果如下
 
K7b
Population   
South_Asian 0.08
West_Asian 0.34
Siberian 23.57
African -     
Southern -     
Atlantic_Baltic 0.88
East_Asian 75.1
 
K12b
Population   
Gedrosia 0.44
Siberian 6.85
Northwest_African -     
Southeast_Asian 24.87
Atlantic_Med -     
North_European 1.07
South_Asian -     
East_African -     
Southwest_Asian -     
East_Asian 66.77
Caucasus -     
Sub_Saharan -