recessive gene. recessive gene in Medicine. recessive gene n. A gene that is phenotypically expressed in the homozygous state but has its expression masked in the presence of a dominant gene.
Environmental law. For other uses, see Environmental Law (disambiguation). Environmental law - or environmental and natural resources law - is a collective term describing the network of treaties, statutes, regulations, common and customary laws addressing the effects of human activity on the natural environment. The core environmental law regimes address environmental pollution.
Reading: The Benefits and Costs of U.S. Environmental Laws benefits and costs of clean air and clean water Government economists have estimated that U.S. firms may pay more than $200 billion per year to comply with federal environmental laws.