Genetics is the study of genes, genetic variation, and heredity in living organisms. It is generally considered a field of biology, but intersects frequently with many other life sciences and is strongly linked with the study of information systems. Areas Behavioural genetics | Classical genetics | Conservation genetics | Ecological genetics | Evolutionary genetics | Genetic engineering | Genetic epidemiology | Genetics of intelligence | Genetic testing | Genomics | Human genetics | Medical genetics | Microbial genetics | Molecular genetics | Polulation genetics | Plant genetics | Psychiatric genetics | Quantitative genetics | Statistical geneticsRelated areas Molecular biology | Cytology | Geology | Earth sciences