DNA sequence of the human Y chromosome fully determined for first time

August 23, 2023

Editor’s note: This article originally appeared on Penn State News. Paul Medvedev, professor of computer science and engineering and of biochemistry and molecular biology; and Marta Tomaszkiewicz, assistant research professor of biomedical engineering, are co-authors on the paper featured in the article.

UNIVERSITY PARK, Pa.  — The first full sequence of the last human chromosome — the Y chromosome — to be assembled is complete, thanks to an international collaboration that includes Penn State researchers. The new sequence, which fills in gaps across more than 50% of the Y chromosome’s length, uncovers genomic features with implications for fertility, such as factors in sperm production, as well as cancer risk and severity.

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