Which of the following are squares of glass, smallest than the smallest postage stamp

Biochip

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Proteomics

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Forensic technologies

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None

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Solution

The correct option is A Biochip
Biochips are squares of glass, smaller than smallest postage stamp, covered with millions of DNA strand. Biochip is a tool allowing rapid screening of gene profile to detect genes. They are called gene microarrays. A biochip contains all known human genes.

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