Since the first draft of a human genome sequence was completed in 2000, genomics research has led to huge strides in the understanding of our biology, but it wasn't complete.
Well, in 2019, an international team of scientists set out to rectify that - earlier this month unveiling the first-ever gap-free sequence of a human genome.
So how did they do it and what does this mean for the likes of genetic diseases, human diversity, and evolution?
Karen Miga, Assistant Professor of Biomolecular Engineering at UC Santa Cruz and an Associate Director of the UCSC Genomics Institute joined Jonathan to discuss.
Dr. Shane Bergin & Dr. Lara Dungan also joined Jonathan to run through the week's science news in Newsround.
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