University students' conceptions about the concept of gene: Interest of historical approach

摘要: Concepts of genetics are often difficult to teach, specifically the central concept gene. Even scientists disagree when defining this concept. This paper investigates university students' understanding about gene and its functions. The results show dominance two conceptions gene: Neoclassical model Mendelian model. existence hybrid lack modern that students unable mobilize knowledge taught in biology. These suggest improve teaching methods genetics, for instance, by developing activities bring face with their conceptions.