Question

One advantage of cloning is

new organisms are often sickly and do not live long lives
through cloning, the diversity of genes would be lost in a species
scientists are able to study how organisms grow and reproduce
cloned animals are less resistant to new diseases

Answer 1

B,
The first option is a negative and would have no advantage to scientists
and the third option is just nonsense unless genetically modified to be less resistant.

Answer 2

B. A and C are negatives, therefore disadvantages of cloning. the second answer about scientists studying organisms is correct.