Key points are not available for this paper at this time.
INTRODUCTION .... . . . . . . . . . . . . . . . . . ... . . . .... . . . .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 GENETIC EVENTS.. . . . ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . ..... . . . . . . . . . . ... . . ... 82 The Initial Gene Duplication-An Unpredict able Event . . . . . . . . . . . . . . . . . ... . . ... . . . 82 Subsequent Recombinations-The Predictable Events ... . . .. . ... ...... ... . . ... . .. . . . 86 EVOLUTION OF THE HAPTOGLOBIN GENE FAMILy. . . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . 93 Human Haptoglobin and Haptoglobin-Related Genes . . ... . 93 Evolutionary Tree for Human Haptoglobins.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Supeifamilies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' . . . . . . . . . 99 EVOLUTION OF MULTIGENE FAMILIES IN DIFFERENT SPECIES . . . . . . . . . . . . . . . . . 101 CONCLUDING REMARKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 103
Maeda et al. (Mon,) studied this question.