MCQ
Consider the following statements
$I.$ In microinjection method foreign $DNA$ is directly injected into the nucleus of animal cell or plant cell by using micro needles or micro pipettes
$II.$ Microinjection method is used in oocytes, eggs and embryo
$III.$ Electroporation is the formation of temporary pores in the plasma membrane of host cell by using lysozyme or calcium chloride
$IV.$ In chemical mediated gene transfer method certain chemicals such as $\mathrm{CO}_{2}$ help foreign $DNA$ to enter the host cell
Which of the statements given above are correct?
- ✓$I \;and\; II$
- B$I, II\;and\; III$
- C$II, III \;and\; IV$
- D$I, II, III\; and \;IV$