Gujarati
5.Molecular Basis of Inheritance
medium

What is the first step in the Southern Blot technique

A

Denaturation of $DNA$ on the gel for hybridization with specific probe

B

Production of a group of genetically identical cells

C

Digestion of $DNA$ by restriction enzyme

D

Isolation of $DNA$ from a nucleated cell such as the one from the scene of crime

Solution

(d) The first step in southern blot technique is isolation of $DNA$ from a nucleated cell and then these isolated $DNA$ sequences are transferred to a nylon or nitrocellulose sheet placed over the gel.

Standard 12
Biology

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