ˈälə̇gōˌjēn, əˈligəˌ- noun
Etymology: olig- + gene
: a gene that alone or with a few other genes controls the inheritance of a qualitative character or one showing typical Mendelian distribution — see polygene ; compare particulate inheritance
• ol·i·go·gen·ic |älə̇gō|jenik, ə|ligə|- adjective