Under ethical guidelines recently adopted by the national institutes of health.

Question

Choose the word or set of words for each blank that best fits the meaning of the sentence as whole.

Under ethical guidelines recently adopted by the national institutes of health, human genes are to be manipulated only to correct diseases for which _________________ treatments are unsatisfactory.

1. Similar
2. Most
3. Dangerous
4. Uncommon
5. Alternative.

Answer 1

Ans - 5

Answer 2

2. most

Answer 3

5.Alternative.