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CRISPR used to remove extra chromosomes in Down syndrome and restore cell function (www.earth.com)

submitted 1 month ago by cm0002@lemmy.world to c/biology@mander.xyz

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[-] protist@mander.xyz 8 points 1 month ago

TIL

In the majority of cases, the extra copy of chromosome 21 comes from the mother through the egg.

In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.

In the remaining cases, the error occurs after fertilization, as the embryo grows.

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this post was submitted on 17 Jun 2025

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