The fundamental difference between the two methods is that molecular cloning involves replication of the DNA in a living microorganism, while PCR replicates DNA in an in vitro solution, free of living cells.
Costs. Becoming a doctor is not cheap. Depending on your location and specialty, medical school alone can cost between $50,000 and $150,000, and thatâs only tuition.
Medical Training: How long does it take to make a doctor? The Georgians took 14 years, the Victorians were happy with 5, and the French Revolutionaries thought patients should decide. As an argument brews about the length of medical training, Vanessa Heggie explains how we got our current system. It can take 14 years to become a qualified brain surgeon Photograph: RGB Ventures / SuperStock / Alam/Alamy.