polygenic
adjective
poly·gen·ic ˌpä-lē-ˈje-nik 
: of, relating to, mediated by, or constituting polygenes : involving two or more nonallelic genes collectively in determining inherited characteristics : multifactorial sense 1
polygenic inheritance
polygenic traits
Others think the allergic state is polygenic: transmitted by a number of genes whose combined expression is necessary to make a person allergic.
Paul D. Buisseret
Paul D. Buisseret
Word History
Etymology
poly- + gene + -ic entry 1, after German polygen
Note: The term polygen was introduced by the German zoologist and social Darwinist Ludwig Plate (1862-1937) in Vererbungslehre, mit besonderer Berücksichtigung des Menschen (Leipzig, 1913), p. 75
First Known Use
1928, in the meaning defined above
Medical Definition
polygenic
adjective
poly·gen·ic ˌpäl-i-ˈjēn-ik -ˈjen-ik
-ˈjen-ik : of, relating to, or resulting from polygenes : multifactorial
a polygenic disorder