Question: What is the significance of the \'sticky ends\' in recombinant DNA technology?

Options:

1. They help in DNA replication
2. They facilitate the ligation of DNA fragments
3. They are used for PCR amplification
4. They stabilize the DNA structure

Correct Answer: They facilitate the ligation of DNA fragments

Solution:

\'Sticky ends\' are overhanging sequences that allow for the easy ligation of DNA fragments during recombinant DNA technology.