Task 4  Short Answer Questions

Listen to a passage “Experimental Gene Therapy for Hemophilia” twice. While listening, you are to give an answer asshort as possible to each of the questions below.

1.    What condition do people with hemophilia suffer?  

They suffer uncontrolled bleeding.

2. What do researchers place into a cell missing clotting substance?

A good copy of a gene.

3. Why do researchers consider hemophilia the best disease for gene therapy?

Because it is caused by a single defective gene.

4. In whom did researchers test gene therapy?

Six patients with severe hemophilia.

5. What happened to the clotting substance ten months later?

   It was no longer in the patients’ blood.