DNA typing短语¹⁴⁴⁹⁷²⁺² 基本例句 DNA定型 DNA Mixture: The problems with LCN DNA typing are exacerbated when the evidence is a mixed same- gender sample as opposed to a mixture of male and female DNA. DNA混合物：当证据样本中混有同性别样品，而不是男女两种相反性别混合物时， LCN DNA定性问题就会加重。 ausbio