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.
The cost of obtaining an undergraduate degree on the way to becoming a surgeon depends on whether a student is attending a private or public school. According to the American Association of Medical Colleges, in 2010 private nonprofit four-year colleges charged an average of $27,293 per year in tuition.