Question

Select the best topic sentence for the given paragraph:
Since scientists can now work at the level of genes, animal breeding for desired features may soon become obsolete. Many people support genetic engineering, arguing that several genetic changes will be very beneficial and free of potential harm. They claim that as long as there are safeguards, humans would be foolish to not take advantage of genetic engineering. However, some people have seen the speed at which gene manipulation can get out of control, mixing species so that plant and animal are no longer discernible. They wish to turn back time. But can they?

• A. There are many cases where gene manipulation has gone out of hand.
• B. Whether people agree or not, genetic engineering has benefitted society in many ways.
• C. Bizarre hybrids are the biggest fear of people who do not support genetic engineering.
• D. Although it is still debatable whether genetic engineering will provide the benefits it promises without the dangers, it is definitely here to stay.

Answer 1

The correct option is D Although it is still debatable whether genetic engineering will provide the benefits it promises without the dangers, it is definitely here to stay.

The best topic sentence is Option D as it depicts both the positive and negative of the genetic engineering procedure briefly. A topic sentence depicts the overall idea of the paragraph in brief and Option D does that appropriately. Options A and C are incorrect as they only focus on the negatives of the procedure. Option B is incorrect as it only mentions the positive of the procedure.