Since a long time the human being has evolved allowing advances in several fields and one of these, is in the genetic material, thanks to the knowledge of genetics and technological tools. This study was carried out with the objective of analyzing how biotechnology and genetic engineering are present in textbooks and teaching practice in the state schools of the municipality of Humaitá Amazonas. Genetics may be said to be the most advanced area within biology, but in the 1950s it was not even part of this subdivision, since the explosion of biological knowledge, which had its inclusion. Molecular Biology provided a dimension in the field Biotechnology and Genetic Engineering. But in the midst of so many technological advances that favor human interests, ethical and moral issues need to be discussed, it is necessary to better appropriate the tools, since they involve certain polemical themes. Two textbooks adopted in the public schools of the municipality of Humaitá were analyzed, semistructure interviews with teachers and analysis of legal documents and educational guidelines. With regard to the textbook, it was verified that the two adopted books have coherent content, however they do not allow a contextualization and a debate on the contents investigated. Regarding the teaching practice, it was observed that the teachers use the textbook as a base, with lectures and few practical classes. Thus, it can be concluded that the book constitutes the basis for the teaching work, however, without providing a critical debate about Biotechnology and Genetic Engineering and above all that there is a g
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