Scientists finish sequencing final chromosome - let the cloning begin!
Scientists have reached a landmark point in one of the world’s most important scientific projects by sequencing the last chromosome in the human genome, the so-called “book of life”.
Chromosome 1 contains nearly twice as many genes as the average chromosome and makes up eight percent of the human genetic code.
It is packed with 3,141 genes and linked to 350 illnesses including cancer, Alzheimer’s and Parkinson’s disease.
“This achievement effectively closes the book on an important volume of the Human Genome Project,” said Simon Gregory, who headed the sequencing project at the Sanger Institute in England.
The project was started in 1990 to identify the genes and DNA sequences that provide a blueprint for human beings.
Chromosome 1 is the biggest and contains, per chromosome, the greatest number of genes.
“Therefore it is the region of the genome to which the greatest number of diseases have been localized,” added Gregory, from Duke University in the United States.
The sequence of chromosome 1, which is published online by the journal Nature, took a team of 150 British and American scientists 10 years to complete.
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