Original commentaryCorrect answersA trueP2 produces anti-B, which are present in its serum and would cause an agglutination of erythrocytes of kitten K.B trueThe P2 serum has no anti-A and causes therefor no agglutination with antigens of erythrocytes in M.C falseA cat with the blood group A has anti-B, which react both with AB and B antigens on erythrocytes. Since the motherhas genotype AB/B and the kitten B/B, any offspring of them has either blood group AB or B.D falseThe negative control indicates that the test failed. So the genotype of P1 is unknown and hence these results do notsuggest anything. Note, however, that if P1 had indeed blood group AB, he would have the same probability as P2 tobe the father of K. The corresponding probability for P2 is either 0% if he had genotype A/B or A/AB or 25% if he hadgenotype A/B.