The Seventeenth Amendment in the National Archives. The Seventeenth Amendment (Amendment XVII) to the United States Constitution established the popular election of United States Senators by the people of the states.riginally, under Article I, Â§ 3, Clauses 1 and 2 of the Constitution, each state legislature elected its state's senators for a six-year term. Each state, regardless of size, is entitled to two senators as part of the Connecticut Compromise between the small and large states.
Development is the process through which an embryo becomes an adult organism and eventually dies. Through development, an organism's genotype is expressed as a phenotype, exposing genes to the action of natural selection.
He concluded the variation must be due to environmental factors and coined the terms â genotype â and â phenotype â in 1911. Genotype is the genetic make-up of an individual organism. Your genotype functions as a set of instructions for the growth and development of your body.The word âgenotypeâ is usually used when talking about the genetics of a particular trait (like eye colour).Phenotype is the observable physical or biochemical characteristics of an individual organism, determined by both genetic make-up and environmental influences, for example, height, weight and skin colour.e concluded the variation must be due to environmental factors and coined the terms â genotype â and â phenotype â in 1911. Genotype is the genetic make-up of an individual organism. Your genotype functions as a set of instructions for the growth and development of your body.