Cytogenetics 122 CYTOGENETICS 43 cytogenetics 42 Genetics 31 Plant breeding 22 Biochemical genetics-- Molecular Biology-- Cytogenetics 20 Chromosomes 18 plant breeding 18 CYTOGENETIC 14 Mitosis 10 Molecular genetics 10 CARYOLOGIA : International journal of cytology cytosystematics and cytogenetics 9 CYTOLOGY AND CYTOGENETICS 9 Meiosis 9 Plant cytogenetics 9 chromosomes 9 CYTOGENETICS OF CROP PLANTS 8 Cytology 8 Linkage 8 Mendelism 8 Molecular biology 7 Biology 5 Molecular Biology 5 Plant Breeding 5 Cytogenetic Analysis 4 mendelism 4 variation genetics 4 AN INTRODUCTION TO THE CYTOGENETICS OF POLYPLOIDS 3 Biotechnology 3 Botany 3