Genomes DNA 14 Genes 13 Genetics 10 Genomics 9 Genetic engineering 7 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 7 Animal Genetics and Breeding, (New March 2000) 6 Gene expression 6 Genome 6 Molecular genetics 6 Bioinformatics 5 Biology 5 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 5 Genome analysis 5 Plant Breeding and Genetics 5 Gene mapping 4 Livestock 4 Molecular biology 4 Plants 4 Taxonomy and Evolution 4 Animal breeding 3 Biochemical genetics 3 Biochemistry 3 Domestic animals 3 Evolution 3 Evolutionary genetics 3 Heredity 3 Metabolism 3 Proteomics 3