The concepts of phenotype and genotype also demand the distinction between types and tokens. As the words âgenotypeâ and âphenotypeâ suggest, these are types, sets of which any given organism and its genome are members, sets defined by their physical description.Any individual organism and its genome are members of those sets, tokens of those types.1  1. Heredity and Development. 2  2.he phenotype of an organism is the class to which that organism belongs as determined by the description of the physical and behavioral characteristics of the organism, for example its size and shape, its metabolic activities and its pattern of movement.
The Massachusetts Education Reform Act of 1993 was the most dramatic change in generations. in how the Commonwealth supported and oversaw the delivery of education services by local. school districts, and it continued Massachusettsâ reputation for public education leadership that. Horace Mann established in 1837.
Click here for a more recent version of Education Weekâs primer of No Child Left Behind (updated 2015). The No Child Left Behind Act of 2001, signed into law by President Bush on Jan. 8, 2002, was a reauthorization of the Elementary and Secondary Education Act, the central federal law in pre-collegiate education.