GENETICS OF NATURAL POPULATIONS. I. CHROMOSOME VARIATION I N POPULATIONS OF DROSOPHILA PSEUDOOBSCURA INHABITING ISOLATED MOUNTAIN RANGES TH. DOBZHANSKY AND M. L. QUEAL Calqornio Institute of Technology, Pasadena, Calqorn

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Source URL: www.esp.org

• Drosophilidae
• Chromosomes
• Evolutionary biology
• Biologists
• Theodosius Dobzhansky
• Drosophila pseudoobscura
• Polymorphism
• Karyotype
• Y chromosome
• Genetics
• Biology
• Cytogenetics

INVERSIONS I N THE CHROMOSOMES OF DROSOPHILA PSEUDOOBSCURA* TH. DOBZHANSKY AND A. H. STURTEVANT California Institute of Technology, Pasadena, California Received August

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• Chromosomes
• Chromosomal inversion
• Genetic linkage
• Alfred Sturtevant
• Y chromosome
• Homologous chromosome
• Chromosomal translocation
• Karyotype
• Genetics
• Biology
• Cytogenetics

GEOGRAPHICAL DISTRIBUTION AND CYTOLOGY OF “SEX RATIO” I N DROSOPHILA PSEUDOOBSCURA AND RELATED SPECIES A. H. STURTEVANT AND

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• Plant sexuality
• Sex
• Chromosomes
• Sex linkage
• Y chromosome
• Autosome
• Dominance
• Alfred Sturtevant
• X chromosome
• Biology
• Genetics
• Cytogenetics

THE Y CHROMOSOME OF DROSOPHILA PSEUDOOBSCURA TH. DOBZHANSRY Calgornia Institute of Technology, Pasadena, Calvmnia Received January 10, 1935 INTRODUCTION

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• Chromosomes
• Evolutionary biology
• Drosophilidae
• Classical genetics
• Karyotype
• Alfred Sturtevant
• Y chromosome
• Aneuploidy
• Polyploid
• Genetics
• Biology
• Cytogenetics

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Source URL: www.nature.com

• Ecology
• Speciation
• Sympatry
• Hybrid zone
• Character displacement
• Reproductive isolation
• Allopatric speciation
• Assortative mating
• Drosophila pseudoobscura
• Biology
• Evolutionary biology
• Philosophy of biology