What is the main goal of gene therapy?
to cure human diseases
to produce inexpensive medicine
to lower the costs of livestock production
to increase the nutritional value in foods
The main goal of gene therapy is to cure human diseases.
Gene therapy has been used to treat cystic fibrosis. Cystic fibrosis is caused by a ______
in a single gene.
Cystic fibrosis is caused by a mutation in a single gene.
A scientist takes a cell from one cow and an egg from a second cow. The scientist removes the DNA from the egg and replaces it with the DNA from the first cow. The scientist’s goal is to produce a baby cow with DNA that is identical to the first cow.
Which best describes this scenario?
genetic engineering
gene therapy
cloning
selective breeding
The best description for this scenario is cloning.
Which best compares genetic engineering and cloning of animals?
Both result in offspring with a single, specific desirable trait.
Both result in offspring that are genetically identical to the original organism.
Both require that DNA be manipulated in some way.
Both require that only females are used in the process.