A paleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo (a bird). To compare a specific region of the DNA from the sample with DNA from living birds, which of the following would be most useful for increasing the amount of dodo DNA available for testing?

Respuesta :

Answer: Polymerase chain reaction.

Explanation:

The polymerase chain reaction can be defined as the technique which is used to amplify the amount of DNA that is available.

The DNA in small quantity is amplified in order to increase the amount so that the optimum amount of DNA is made available for testing.

For testing the sample of DNA, there must be an adequate amount of DNA  which can be tested. This is reason why PCR must be performed to amplify the amount.

Here also, the amount of the dodo DNA will be amplified by the process of PCR for testing purpose.

DNA is the genetic material that is used as the source for the comparison of organisms. PCR is a technique that will be used for increasing the DNA amount.

What is PCR?

PCR or polymerase chain reaction is a technique of the chemical reactions that increases the amount of the genetic material or the DNA amount of the organism through several steps.

As the sample is relatively small and has less quantity of the genetic material hence the amplification and quantification of the DNA is required for the relative analysis of the bird.

PCR amplifies the small amount of the DNA copy by many times and is the best method for the amplification. PCR method will increase the amount of the genetic material of the extinct bird Dodo and can be used for the comparative study with the living birds.

Therefore, PCR is the method that should be used for DNA amplification.

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