AIIMS2019Biology-Genetics

AIIMS 2019 Biology DNA Fingerprinting MCQ Question

Type: MCQ-conceptual-Medium

Who discovered DNA fingerprinting

A

Alec Jeffery

B

Jacob Monad

C

Herbert Boyer

D

Stanley Cohen

Correct Answer

Option A

Detailed Explanation

Alec Jeffreys discovered DNA fingerprinting in 1984, a technique that utilizes variations in the DNA sequence to identify individuals based on their unique genetic profiles. This method relies on the analysis of specific regions of DNA, known as variable number tandem repeats (VNTRs), which are highly polymorphic among individuals. In contrast, Jacob and Monod were known for their work on gene regulation in bacteria, while Herbert Boyer and Stanley Cohen are recognized for their contributions to recombinant DNA technology, not forensic genetics. Understanding DNA fingerprinting is crucial for applications in forensic science, paternity testing, and genetic diversity studies.

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