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.
environmental laws and regulations the u s environmental protection agency epa partners with other federal agencies to enforce regulations that implement environmental laws enacted by congress state agencies enforce regulations that implement environmental laws enacted by state legislatures