The segregation distortion (SD) phenomenon in wild populations of Drosophila melanogaster: interaction between chromosomes 3 and SD chromosomes 2 R. CicchettiG. ArgentinB. Nicoletti OriginalPaper Pages: 77 - 84
Chromosome inversions in Indian Drosophila melanogaster A. DasB. N. Singh OriginalPaper Pages: 85 - 88
A comparative study of male meiosis in Drosophila melanogaster and D. virilis I. KlasterskaC. Ramel OriginalPaper Pages: 89 - 98
Comparison of the polytene chromosomes of the salivary gland, the fat body and the midgut nuclei of Drosophila auraria P. Mavragani-TsipidouZ. G. ScourasC. D. Kastritsis OriginalPaper Pages: 99 - 108
Polymorphism in Cepaea Hortensis in marginal populations in Spain L. I. MazonA. VicarioC. M. Lostao OriginalPaper Pages: 109 - 115
Distribution of a supernumerary chromosome system and aspects of karyotypic evolution in the genus Prochilodus (Pisces, Prochilodontidae) E. PaulsL. A. C. Bertollo OriginalPaper Pages: 117 - 123
Serine esterases: structural conservation during animal evolution and variability in enzymic properties in the genus Drosophila J. PenG. J. BolksJ. J. Beintema OriginalPaper Pages: 125 - 131
Genetic variability in Muscari comosum L. (Liliaceae) IV Geographical distribution and adaptive role of the polymorphic variants of chromosome 2 C. Ruiz RejónR. LozanoM. Ruiz Rejón OriginalPaper Pages: 133 - 142
Allozyme variation among and within eleven Orchis species (fam. Orchidaceae), with special reference to hybridizing aptitude R. ScacchiG. De AngelisP. Lanzara OriginalPaper Pages: 143 - 150