Gene: uma análise conceitual em livros didáticos de Biologia do ensino médio.

Abstract

The concept of gene has always been a growing controversy since its inception due to several different ideas that have emerged from advances in genetics and molecular biology. The aim o f this study was to analyze the concept of gene in biology textbooks in high school. For this selected four textbooks, which were extracted ideas and terms related to the concept o f gene? It was noticed that the authors present several conceptsof genes, not just presenting a conceptual unity, leading to difficulties in interpretation by the students on that concept. And a very important form made by the authors on concepts in textbooks for students to construct their own knowledge, based on more precise concepts.