Every pathogen either virus or bacteria has its own specific DNA and DNA sequencing recognizes similarities while study sequence of nucleotide.
Further explanation
DNA sequencing
It is a phenomenon in which a piece of DNA is taken and its nucleotide bases (guanine, adenine, thymine and cytosine) are determined. It is useful to study genetic information of an organism. Earlier technique of RNA sequencing was used.
Invention of DNA sequencing
Frederick Sanger was the first person who used this technique and was invented in 1970s. This technique is used in various field of biology such as molecular biology, Medicine, evolutionary biology, biotechnology and forensics.
Advantages of DNA sequencing
It provides accurate information
Genome remains same throughout life so it is done once in life
It is not an expensive method so we can say that it saves money
Genomic information can be obtained which is required for various purposes as health care
Identify defective genes
Disadvantages of DNA sequencing
It is a very time taking technique
It cannot detect translocation, deletion and insertion
Answer details
Subject: Biology
Level: High school
Key words
DNA sequencing
Invention of DNA sequencing
Advantages of DNA sequencing
Disadvantages of DNA sequencing
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