Explain with suitable diagram ,the principle …
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Meghna Thapar 4 years, 3 months ago
Sanger Sequencing Steps
The Sanger sequencing method consists of 6 steps:
(1) The double-stranded DNA (dsDNA) is denatured into two single-stranded DNA (ssDNA).
(2) A primer that corresponds to one end of the sequence is attached.
(3) Four polymerase solutions with four types of dNTPs but only one type of ddNTP are added.
(4) The DNA synthesis reaction initiates and the chain extends until a termination nucleotide is randomly incorporated.
(5) The resulting DNA fragments are denatured into ssDNA.
(6) The denatured fragments are separated by gel electrophoresis and the sequence is determined.
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