environmental alleles
61Genetic history of indigenous peoples of the Americas — For a non technical introduction to genetics in general, see Introduction to genetics …
62animal behaviour — Introduction any activity of an intact organism. A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …
63Multiple sclerosis — Classification and external resources Demyelination by MS. The CD68 colored tissue shows several macrophages in the area of the lesion. Original scale 1:100 ICD …
64Polyphenism — A polyphenic trait is a trait for which multiple, discrete phenotypes can arise from a single genotype as a result of differing environmental conditions.DefinitionA polyphenism is a biological mechanism that causes a trait to be polyphenic. For… …
65genetic disease, human — Introduction any of the diseases and disorders that are caused by mutations in one or more genes (gene). With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization …
66Asperger syndrome — Classification and external resources …
67Sarcoidosis — Classification and external resources Chest xray showing the typical nodularity of sarcoidosis in the base of the lungs. ICD 10 D …
68Genetics of aggression — The field of psychology has been greatly influenced by the study of genetics. Decades of research has demonstrated that both genetic and environmental factors play a role in a variety of behaviors in humans and animals (e.g. Grigorenko Sternberg …
69Connecticut Agricultural Experiment Station — U.S. National Register of Historic Places U.S. National Historic Landmark …
70human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
