R Ram Sharma π Coach β 193.88K Points Q. The role of DNA ligase in the construction of a recombinant DNA molecule is (A) formation of hydrogen bonds between sticky ends of DNA fragments (B) ligation of all purine and pyrimidine bases (C) formation of phosphodiester bond between two DNA fragments (D) none of the above ποΈ Show Answer π¬ Discuss π Share β Correct Answer: (A) formation of hydrogen bonds between sticky ends of DNA fragments