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One allele in a snp?

Discussion in 'Genetic Testing and SNPs' started by cookiemonster, Feb 3, 2015.

  1. cookiemonster

    cookiemonster

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    If I understand snps correctly, they should have two alleles ... as in T/T or A/G, etc.

    What does it mean on my 23andme report if it shows only one allele for a particular snp? (just one T on MAOA, for example)
     
  2. Valentijn

    Valentijn Senior Member

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    It means you're a guy :D

    MAOA is on the X chromosome, so you only get one copy.
     
  3. cookiemonster

    cookiemonster

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    Oh OK, thank you Valentijn ... I didn't know that, I thought I it meant I was just extremely defective! :rofl:
     
    ukxmrv likes this.

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