Is it possible to modify human genes to create a ‘mutant’ (like ‘Frankenstein’)?

Question: Is it possible to modify human genes to create a 'mutant' (like 'Frankenstein')?
- Keywords:
  cloning,
  Frankenstein,
  gene,
  modify
Asked by stephenq to Lena on 14 Mar 2012.
- Lena Ciric answered on 14 Mar 2012:
  
  Hi Stephen.
  Well, Frankenstein wasn’t a mutant. He was made out of bits of different people. At the moment it’s possible to correct mutations in genes which cause disease by using gene therapy. We’ve not been able to make a super human just yet…

Question: Is it possible to modify human genes to create a 'mutant' (like 'Frankenstein')?