Chr Y has diploid calls for men?

Hi! I've recently realized some men in the cohort have diploid calls instead of haploid. 

For example for 24:18550184:C:T. Any idea of why is that? Does this happen also in ChrX for men?

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  • Comment author
    Molly D Data Analyst The helpers that keep the community running smoothly. UKB Community team

    Dear Researchers, 

    Please see the genotyping paper: https://www.nature.com/articles/s41586-018-0579-z

    If this refers to a small percentage of individuals this may relate to chromosomal difference such as to aneuploidies (see Fig 2).

    If this relates to a large number of individuals, please get back in contact with more information (such as fields affected and rough numbers).

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