Question

what would happen if a alien piece of DNA is ligated on Sal first sight of pbr 322​

Answer 1

Answer:

As pure DNA fragments cannot be seen under visible light, they can be visualised only after staining them with a solution of ethidium bromide followed by exposure to UV radiation.

Answer 2

Explanation:

$\huge\mathtt\red{Answer}$

The fusion of competence and outside the body of an organism is called external fertilization .

Ex:- Frog.