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.
At least 10 major federal laws deal with protecting the environment and the health and safety of U.S. residents. This is in addition to the multitude of other federal acts, rules, and administrative environmental regulations. There are also scores of environmental laws that have been enacted by state and local government. The following is a summary of the major federal environmental laws.