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Rare chromosomes list in VCF file

Hi everyone, I'm new to bioinformatics and I have been working with lately with a VCF file with a strange chromosome.enter image description here

Right below Y chromosome there are those "chromosomes", GL000192.1 and so on.

What do they mean?

Thanks!

vcf

1 answer

Answer here: Ensembl chromosome other than 1-22, X, and Y

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