What is DNA polymorphism? Why is it important to study it?

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Solution

DNA polymorphism:

Polymorphism refers to the variations in the genetic level (mutations) that can be inherited and present at high frequency in a population.

Importance of DNA polymorphism:

Studying DNA polymorphism is important for the following reasons:

DNA polymorphism allows variation in DNA of siblings, twins which makes them different from one another.

DNA fingerprinting used in paternity testing and genetic mapping is based on DNA polymorphism.

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