The tests could begin - but only on maternalrelatives.
测试可以开始了——不过只限女性亲属。
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Bodily remains of Marie Antoinette maternalrelatives allowed for genetic comparisons to the DNA in the heart using mitochondrial DNA, which is passed down from a mother to her children.
The authors point out that on a population basis, women should have equal numbers of maternal and paternal extended relatives (not including mothers) with breast cancer.