Heredity 105 Genetics 100 Dissertations, Academic (Ph.D) 70 HEREDITY 64 Genetics-- Heredity 44 Thesis (Ph.D)-Botany 34 History 33 Biography 32 Biology 27 Women 23 heredity 22 Chromosomes 21 GENETICS : A Periodical Record Of Investigations Bearing On Heredity And Variation 19 Hevea 16 Microbiology 15 Religion 15 GENETICS: A PERIODICAL RECORD OF INVESTIGATIONS BEARING ON HEREDITY AND VARIATION 12 HEREDITY: AN INTERNATIONAL JOURNAL OF GENETICS 12 Social conditions 12 Genes 11 History and criticism 11 Mutation 11 Thesis (Ph.D)-Home Science 11 Evolution 10 Psychology 10 Rubber plants 10 GENETIC 9 Criticism and interpretation 8 DNA 8 Molecular genetics 8