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- #11
QQ, QR and RR are results from the codon 171 test for Scrapie susceptibility. QQ would be very susceptible and RR would be highly unlikely to contract Scrapie.
http://www.sites.ext.vt.edu/newsletter-archive/livestock/aps-02_06/aps-112.html
http://www.sites.ext.vt.edu/newsletter-archive/livestock/aps-02_06/aps-112.html