The blood groups in 30 monkeys were distributed as 3 of group A (10%), 9 of group B (30%), 3 of group AB (10%).

• 从30只猕猴中检出A型3只(10%25)、B型9只(30%25)、AB型3只(10%25)，选取99263(A1)、88113(A2)、98107(B1)、95457(B2)为实验组，93281(B3)为对照组。