Scientists finish 100 sequences of the human genome

Scientists finish 100 sequences of the human genome

New Delhi: The process of sequencing the human genome was finally completed 20 years after researchers first cracked the human gene code.
It should usher in a new era of genomics and rapidly increase our understanding of the different types of disorders that affect people. There may be better genetic screening that enables quick and specific diagnostic tests to treat a variety of diseases.
In 2001, Celera Genomics and International Human Genome Sequence published the first draft of the human genome. It was a breakthrough in genomics, allowing scientists to better understand human evolution and biology.
But scientists at the time were not able to decode 15% genome sequence because they did not have the technology. They evolved further over the years, but by 2013, 8% of the genomes (all genes together) were still not sequenced.
Now, researchers at the Telomere to Telomere (T2T) consortium, an international collaboration, have developed a “truly complete human reference genome.”
TOI gained access to a preparatory paper entitled ‘The Complete Continuity of the Human Genome’, a new sequence based on T2T-CHM13.
The human genome is a complete set of DNA. DNA strands are like a four-letter language – four chemical units or bases that are alphabetical. ‘Letters’ form ‘words’ together with ‘letters’, especially in opposite letters, and form encoding information. All these ‘words’ are stored in the chromosomes of human cells. If a human genome were a book, it would contain 3 billion words (twenty pairs) in 22 chapters. Therefore, 8% of the genome is not configured, which means that some pages of this book were missing. It is now plugged in.

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