RFLP

RFLP or Restriction Fragment Length Polymorphism is a technique that exploits variations in homologous DNA sequences. It refers to a difference in homologous DNA sequences that can be detected by the presence of fragments of different lengths after digestion of the DNA samples with specific restriction endonuclease enzymes.

History[edit | edit source]

The RFLP technique was first described in 1980 by the English geneticist Alec Jeffreys. It was the first technique used for DNA fingerprinting, which is still widely used in the field of genetics and forensic science.

Principle[edit | edit source]

The principle of RFLP involves the digestion of DNA samples with specific restriction enzymes, which cut the DNA at specific sites. The resulting fragments are then separated by gel electrophoresis, and the pattern of fragments is compared between samples. Differences in the pattern of fragments indicate differences in the DNA sequences of the samples.

Applications[edit | edit source]

RFLP has a wide range of applications in the field of genetics and molecular biology. It is used in genetic mapping, gene cloning, mutation detection, and genetic fingerprinting. It is also used in the diagnosis of genetic diseases and in forensic science.

Limitations[edit | edit source]

Despite its wide range of applications, RFLP has some limitations. It requires a large amount of high-quality DNA, and the process is time-consuming and labor-intensive. Moreover, it can only detect large-scale variations in DNA sequences.

References[edit | edit source]

RFLP Resources
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