NEET Biology question

Which of the following techniques can be used to detect genetic disorders in human?

(A)Polymerase Chain Reaction (PCR)Correct
(B)Gel Electrophoresis
(C)Spectroscopy
(D)All of the above

Answer: (A)

Solution

Gel electrophoresis merely separates DNA fragments by size and spectroscopy is not used for gene-level disease detection, whereas PCR directly amplifies and detects diagnostic DNA sequences and is used to detect

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Question ID VK-125134