血型鉴别能力指的是某种血型系统鉴别个人性的能力,通常用血型鉴别机率(prob ability of discrimination,DP)来表示。非父否定机率是对不是真父被控为父,用血型系统否定其为真父的可能性,亦即通常所说的非父排除率。弄清血型鉴别能力与非父否定机率在法医血清学的理论与实际上都有重要的意义。两种指标的计算都是以血型系 Blood type discrimination refers to the ability of a blood group system to identify individuals, usually expressed as prob ability of discrimination (DP). Nonparental probability of non-father is not true father was accused of as a father, the blood system denied the possibility of being true father, also known as the non-father exclusion rate. To understand the ability of blood type identification and non-parent negative probability in forensic serology theory and in fact have important significance. Two indicators are calculated based on blood type