Which one of the following statements is not correct?

Q. With reference to the recent developments in science, which one of the following statements is not correct?

1. Functional chromosomes can be created by joining segments of DNA taken from - cells of different species.
2. Pieces of artificial functional DNA can be created in laboratories.
3. A piece of DNA taken out from an animal cell can be made to replicate outside a living cell in a laboratory.
4. Cells taken out from plants and animals can be made to undergo cell division in laboratory petri dishes.

Answer: Functional chromosomes can be created by joining segments of DNA taken from - cells of different species.