3. Genec another
(pass) from one generation to
4. They
(make) sure that humans
(give) birth to humans.
5. Genetic engineers
(take) genes from once
species to another.
6. In this way a new life form
(create).
7. These new life forms
(describe) as a "real-life Frankenstein".
8. The effects of genetic engineering on our health
(not/know).