Genetics 275 Genes 160 Molecular biology 110 Genetic engineering 102 Biotechnology 97 DNA 74 History 71 Biochemistry 66 Genomics 62 Gene expression 58 Molecular genetics 55 Molecular Biology 51 Cytology 50 Philosophy 49 Bioinformatics 48 Literature 45 Plant Breeding and Genetics 45 Plant Biotechnology 44 methods 42 Gene mapping 41 genetics 39 Arts 38 Genetics-- Biology 38 Biology 36 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 36 Proteins 35 Biography 34 RNA 34 Gene 33 Microbiology 33