What organism is used typically in genetic engineering?

Genetic Engineering Questions?

• 1. In the past, breeders developed new plant and animal varieties by selecting an organism with desirable traits, breeding it with another organism with similar traits, and then breeding the offspring so that the desirable traits would be passed on the the strain. Name an advantage and a disadvantage of genetic engineering techniques over traditional breeding techniques. 2. Discuss the accuracy of DNA fingerprinting 3, Explain how gene therapy has been used to treat cystic fibrosis. Explain why gene therapy has not been used to cure cystic fibrosis

• Answer:

  1. One advantage of genetic engineering is that you can select the exact gene you desire to transfer into the organism in question. Traditional breeding techniques cannot control for what genes end up being expressed or present in the organism at all. 2. http://en.wikipedia.org/wiki/DNA_profiling#Considerations_when_evaluating_DNA_evidence 3. http://en.wikipedia.org/wiki/Cystic_fibrosis#Gene_therapy