A great video lecture conducted by experienced biology teacher on 12th class biology chapter 23 topic1 introduction chapter 23. Get full understanding or ask any questions.
Introduction Chapter 23, ch 23, lec 1, Introduction Chapter 23 - Inter Part 2 Biology
9:41
Cloning of Gene, ch 23, lec 1, Introduction Chapter 23 - Inter Part 2 Biology
6:10
