uni·fac·to·ri·al adj \ˌyü-ni-fak-ˈtōr-ē-əl, -ˈtȯr-\
: having or being characters or a mode of inheritance dependent on genes at a single genetic locus
: having, involving, concerned with, or produced by a single element or cause <a unifactorial versus multifactorial analysis of mortality>
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