There are 4 stages in mitosis
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 />
Discovery of Bacteria and Other Achievements. Antony Leeuwenhoek was the first person to see bacteria. Through the late 1670s, he sent comprehensive data and detailed drawings of his sightings of bacteria and algae to the Royal Society in London.