In addition to founder effects, the new population is often a very small population and so shows increased sensitivity to genetic drift, an increase in inbreeding, and relatively low genetic variation.
The short answer for how long does it take to become a lawyer is that in the United States it takes a minimum of three years. In order to practice law anywhere in the western world, one must pass an examination in the geographic jurisdiction that the proposed lawyer wants to practice law.
Family Lawyer: Career Information. Education to become a family law professional typically will require a minimum of seven years, made up of a bachelor's degree program and a legal degree program. Find out about the necessary skills, salary information and employment outlook to see if this is the career you want to pursue.