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From:
Subject: Re: [DNA] Dashes when comparing the Y chromosome
Date: Sun, 14 Mar 2010 22:24:09 EDT


Yes, that's a "no-call." The same convention is used for all the SNPs.

Ann Turner

In a message dated 3/14/2010 6:46:54 PM Pacific Daylight Time,
writes:

> When two individuals are comparing their Y chromosome at 23andMe, if they
> show dashes at certain locations, does this mean there is a reading error?


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