RELATIVE EFFICACY OF TWO CONSTRUCTIVIST INSTRUCTIONAL MODELS ON STUDENTS’ INTEREST IN GENETICS IN SECONDARY SCHOOLS IN ENUGU STATE, NIGERIA Aham, Assumpta Chinyere; Aniaku, Obiageli Loretta*; Nwagbo, Chinwe Rose Department of Science Education, University of Nigeria, Nsukka*Corresponding Author: obiageli.aniaku@unn.edu.ng Abstract This study looked at the effectiveness of two constructivist teaching strategies inincreasing students’ interest in genetics …