SEX DETERMINATION IN BEES. II. ADDITIVITY OF MALENESS GENES IN APIS MELLIFERA

1 Departamento de Genética da Faculdade de Medicina de Ribeirão Preto 14100—Ribeirão Preto, São Paulo, Brasil

Twenty-two randomly taken morphological characters were used in order to estimate the Mahalanobis generalized distance between diploid males, diploid workers, haploid males and triploid workers. It was found that adult diploid males are metamales and triploid females are slightly masculinized. These facts indicate that the maleness genes are slightly additive.

Submitted on February 4, 1974
Revised on July 18, 1974