this post was submitted on 25 Aug 2023
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Biology

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[–] Sal@mander.xyz 3 points 1 year ago

The human Y chromosome has been notoriously difficult to sequence and assemble because of its complex repeat structure that includes long palindromes, tandem repeats and segmental duplications. As a result, more than half of the Y chromosome is missing from the GRCh38 reference sequence and it remains the last human chromosome to be finished

Oh wow. This is surprising! I thought the full human genome had been sequence a while ago.