Mutation 115 Genetics 57 MUTATION 54 Heredity 21 Chromosomes 20 mutation 19 mutation breeding 17 MUTATION RESEARCH 14 Mutations 14 Plant breeding 14 Chromosome 12 MUTATION RESEARCH: INTERNATIONAL JOURNAL OF MUTAGENESIS CHROMOSOME BREAKAGE AND RELATED SUBJECTS 12 Evolution 10 Gene Mutation 10 Mutation breeding 10 Biology 8 Meiosis 8 Gene mutation 7 Heterosis 7 Mutation Breeding 7 Cell Division 6 RNA 6 gene-mutation 6 genetics 6 Cytoplasmic inheritance 5 Heridity 5 Human genetics 5 Linkage 5 Microbiology 5 Mutation (Biology) 5