question archive I have seen several solutions online, but I want a better understanding to this assignment

I have seen several solutions online, but I want a better understanding to this assignment

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I have seen several solutions online, but I want a better understanding to this assignment. Please do not simply copy and paste from google. I will reject that. I need more insight for better understanding. Provide resources as well so I can read further.

PCR is a technology that has many useful applications with biotechnology. What are some of those applications? What are the advantages of PCR over gene cloning for generating many copies of a DNA fragment?

Humans are almost identical in the protein-coding sections of the genome, yet each individual has a unique DNA profile. Explain how this is possible.

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in vitro is one of those application it is also use in  forensic investigations.

Step-by-step explanation

We both know that  polymerase chain reaction (PCR) is a technique were used to copy millions of DNA also known as cloning . The best example is dolly the sheep , dolly was the first mammal cloned. 

 

Each of us has a unique DNA profile because it is a genome that we inherit from our past generations. 

 

 

if you want to understand better what is pcr i suggest to watch the movie "the island" it is a story about how human clone used to preserve by the real human to get their organs in due time.