How can PCR and gel electrophoresis tell if individuals from different populations are related. What else...

How can PCR and gel electrophoresis tell if individuals from different populations are related. What else can these tell you about the collected DNA samples

Expert Solution

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Due to the advancement in genetic engineering and other DNA handling techniques a few methods have been developed which can accurately differentiate individuals from big populations. PCR is a method which is used to amplify a sample of DNA. This DNA can be acquired from an individual and can be amplified into to the required amount easily. Then gel electrophoresis is performed where II the applied voltage across the plate separate the DNA fragments present in the given sample. These DNA fragments are appeared as bands which are different for individual person. So by performing this one can differentiate individuals from a population just by looking at the bands formed.

The samples can also be compared to find the criminal from DNA obtained at crime scene, two samples can be compare to know if they are blood related etc. just like human fingerprints DNA is different for every single person and hence these methods can be used in various areas where we need to differentiate or compare two or more individuals.

gladiator answered 1 year ago

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