WHATS NUMBER 2 ANSWER FOR 68 POINTS

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

In general, are there any major differences that you can see? explain