Some of the major factors which affect the genetic equilibrium and induce the variability in population are as follows: (A) Mutations (B) Re-combinations during Sexual Reproduction (C) Genetic Drift (D) Gene Migration (Gene Flow) (E) Natural Selection.<span />
DNA is the blueprint and determines the traits of an organism
Estrogen's are the female sex hormones. <span />
Outdoor air pollution is a complex mixture of several pollutants, the common sources of outdoor pollution are emissions caused by combustion processes from motor vehicles, solid fuel burning and industry.
They major classes of outdoor pollutants include;
Carbon monoxide; carbon dioxide, sulfur dioxide, nitrogen oxides, VOC's, SPM's, photochemical oxidants, ozone and PANs.