TABLE OF CONTENTS



ACKNOW LEDGMENTS ................................... ii

ABSTRACT .......................................... v

INTRODUCTION ........ ......... ...................... 1

IDENTIFICATION AND GEOGRAPHICAL DISTRIBUTION OF ALLELES AT
 LOCUS 178 ...................................... 5


Introduction .......
Materials and Methods
Results ...........
Discussion ........


ALLELE FREQUENCIES AT LOCUS 178 REVEAL HYBRIDIZATION OF
 EUROPEAN AND AFRICAN BEES IN THE NEOTROPICS ....... 36


 Introduction ...................................
 Materials and Methods ............................
 Results ... ........... ...... ....... .. .... ......
 Discussion ....................................

LOCALIZATION OF VARIATION AT LOCUS 178 IN Apis mellifera (L.) BY
 RESTRICTION MAPPING ...........................

 Introduction ...................................
 Materials and Methods ............................
 Results .............. ..... ....... .. .. ....... ..
 Discussion ....................................

CONCLUDING REMARKS ...............................

LITERATURE CITED ..................................

BIOGRAPHICAL SKETCH ...............................


. 65

. 65
. 67
. 69
. 93

..99

.103

. 111


Illllllil


lijiil