Given an outline of the chemical sequencing method of DNA with proper

Question

Given an outline of the chemical sequencing method of DNA with proper illustrations.

10 Feb 2025

Answer :

Word Count : 607

The chemical sequencing method of DNA, also known as the Maxam-Gilbert sequencing method, was one of the first methods developed to sequence DNA. It is based on chemical degradation of DNA, in contrast to the chain-termination method developed by Sanger. The technique involves selectively cleaving the DNA at specific nucleotides and then analyzing the fragments to determine the sequence of the original DNA strand. Below is an outline of the chemical sequencing method of DNA with proper illustrations of the steps involved.

1. Preparation of DNA:
The first step in the chemical sequencing method is to label the DNA at one of its ends with a radioactive or fluorescent marker. This label allows the detection of the fragments after they have been generated. The DNA is then denatured to separate the two strands and the single-stranded template is ready for sequencing.

2. Cleavage of DNA:
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