MCQ
Study the given figure carefully and select the correct statements regarding this
$I.$ It represents typical agarose gel electrophoresis which showing differential migration of $DNA$ fragments
$II.$ Lane $1$ contains undigested $DNA$ fragments
$III.$ Lanes $2$ to $4$ contains digested $DNA$ fragment
$IV.$ Smallest $DNA$ bands are present at ( $A$ ) position and largest $DNA$ bands are present at ( $B$ ) position
- ✓$I, II\; and \;III$
- B$I, II\; and \;IV$
- C$II\; and \;III$
- D$III\; and\; IV$