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Questions  >>  CBSE XII  >>  Biology

Explain the two major approaches involved in the sequencing of genomes.

1 Answer

The two major approaches involved in sequencing of genomes are :
a. Expressed Sequence Tags
b. Sequence Annotation.

Expressed Sequence Tags: In this approach, the focus is on identifying all the genes that are expressed as RNA.

Sequence Annotation: It is a blind approach of simply sequencing the whole set of genome that contained all the coding and non coding sequence,and later assigning different regions in the sequence with functions.
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