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.
In other words, it would normally take 54 years to do the work that doctors do in 36. Money Spent Becoming a Doctor. Doctors often graduate medical school with well over $300,000 of student loan debt. It would cost a doctor $1,753 per month ($21,037 yearly) just to pay the interest on a $300,000 loan. Thatâs almost half of a doctors average net residency income of $50,000.