Question

Briefly explain molecular diagnosis.
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Answer 1

Answer:

Molecular diagnostics is a collection of techniques used to analyse biological markers in the genome and proteome—the individual's genetic code and how their cells express their genes as proteins—by applying molecular biology to medical testing.

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Answer 2

Answer:

It is the process of identifying a disease by studying molecules such as proteins,DNA and RNA in a tissue or fluid

Explanation:

it is the collection of techniques used to analyze biological markers in the genome and proteome ,the individuals genetic code and how their cells express their Genes as proteins by applying molecular biology to medical testing PCR(polymerase chain reaction) is a molecular diagnostic testing technique of identifying whether a target genetic sequence of RNA , DNA is present in a given sample.This amplification is done by 3 steps:

1)denaturation : In which double standard DNA templates are heated to separate the strands

2)annealing : In which short DNA molecules called primers bind to flanking regions of the target DNA

3)extension : In which DNA polymerase extends the 3' end of each primer along the template strands