Are scientists actually allowed to mix genetic information of animals to make a new one and do they?

Question: Are scientists actually allowed to mix genetic information of animals to make a new one and do they?
- Keywords:
  creation,
  genes,
  genetic,
  mutation
Asked by sidvickraman to Alberto, Chris, Emmanuel on 28 Jun 2013.
- Chris Whittle answered on 28 Jun 2013:
  
  Yes, scientists do this all the time. We get mice to have human genes that might be involved in disease, to look at how they work. We also might get bacteria to have human genes to get them to manufacture certain things for us, such as getting them to make insulin for people who have diabetes.

Question: Are scientists actually allowed to mix genetic information of animals to make a new one and do they?