Is it possible to have 4 copies of a single chromosome? Submitted by Temporary_turbulance t3_yzbcyq on November 19, 2022 at 1:00 PM in askscience 20 comments 25
WorldwidePies t1_iwz69ze wrote on November 19, 2022 at 2:21 PM Yes. Having four copies of a chromosome is called a tetrasomy. You can see it in humans with 48,XXXX individuals, who are females with 4 X chromosomes instead of the regular 2. Permalink 53
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