我这个芬兰-俄罗斯和中亚血统哪里来的？

{"result":[{"race_desc":"\u4e2d\u534e\u6c11\u65cf","race_en":"chinese_nation","race_probality":"0.695725","area":[{"block":"chinese_nation","race_desc":"\u5317\u65b9\u6c49\u65cf","race_en":"han_northern","race_probality":"0.351501"},{"block":"chinese_nation","race_desc":"\u901a\u53e4\u65af\u65cf\u7fa4","race_en":"tungus","race_probality":"0.290833"},{"block":"chinese_nation","race_desc":"\u85cf\u65cf","race_en":"tibetan","race_probality":"0.052592"},{"block":"chinese_nation","race_desc":"\u5176\u4ed6","race_en":"other","race_probality":"0.0009"}]},{"race_desc":"\u4e1c\u5317\u4e9a","race_en":"ne_asian","race_probality":"0.181551","area":[{"block":"ne_asian","race_desc":"\u96c5\u5e93\u7279","race_en":"yakut","race_probality":"0.181525"}]},{"race_desc":"\u4e2d\u4e9a","race_en":"central_asian","race_probality":"0.084067","area":[{"block":"central_asian","race_desc":"\u67ef\u5c14\u514b\u5b5c\u65cf","race_en":"kyrgyz","race_probality":"0.084057"}]},{"race_desc":"\u6b27\u6d32","race_en":"european","race_probality":"0.027777","area":[{"block":"european","race_desc":"\u82ac\u5170\/\u4fc4\u7f57\u65af","race_en":"finnish_russian","race_probality":"0.027707"}]},{"race_desc":"\u7f8e\u6d32","race_en":"american","race_probality":"0.010742","area":[{"block":"american","race_desc":"\u58a8\u897f\u54e5\u739b\u96c5\u4eba","race_en":"mayan","race_probality":"0.010722"}]},{"race_desc":"\u5176\u4ed6","race_en":"other","race_probality":"0.0004","area":[]}],"case_id":"ANCESTRY","prefix":null,"description":"\u7956\u6e90\u5206\u6790","color":null,"detail_url":"\/report2\/ancestry\/"} 我是内蒙东北人，y染显示来自西周中原大族，但是何时迁入内蒙不知道。
做了微基因，常染8%中亚，2.7%芬兰-俄罗斯，二十三魔方里面则是3.1%南欧，worldk8里面8%欧洲，其余和南亚西亚加起来一共11.3%。
为啥地理位置这么靠东但是却有西方血统，加起来比回族常染还多？