ResumoA compreensão de conceitos de Biologia Molecular é importante para permitir o entendimento de processos biológicos, bem como para estabelecer correlações e inter-relações entre os diferentes processos celulares e a interação com o ambiente. O objetivo deste trabalho foi avaliar o conhecimento dos conceitos de gene e DNA por alunos ingressantes da Universidade Federal de Alfenas-MG (UNIFAL-MG), bem como avaliar a efetividade da dramatização como estratégia inovadora de ensino. A proposta foi avaliada pela determinação do ganho de conhecimento e do desempenho escolar. Os resultados demonstraram que os alunos ingressantes na UNIFAL-MG apresentam deficiência nos conceitos de gene e composição e estrutura do DNA, provavelmente, decorrentes de falhas no processo de ensino-aprendizagem prévios ao ingresso na universidade. A dramatização apresentou-se como estratégia eficiente para induzir ganho de conhecimento e melhora do desempenho escolar de turmas com bom nível de conhecimento inicial. Palavras-chave: Biologia Molecular, ganho de conhecimento, desempenho escolar.
AbstractThe Molecular Biology concepts comprehension is important for understanding several Biological processes as well as to establish correlations and interrelations among cell processes and its interaction with the environment. The aim of this work was to evaluate the undergraduate students from the Universidade Federal de Alfenas-MG (UNIFAL-MG) knowledge about gene and DNA concepts as well as to evaluate the effectiveness of drama as an innovative teaching strategy. This strategy was evaluated by the studentsk nowledge gain and scholar performance. The results showed the UNIFAL-MG beginners' students presented defective concepts about gene and DNA composition and structure, probably due to deficient teaching-learning process before the University entrance. Drama was an efficient strategy to induce learning gain and to improve scholar performance of classes with a good initial level of knowledge.
The fragmentation of the Atlantic Forest is one of the main causes of habitat loss in this important global biodiversity hotspot. Amphibians are an integral part of this biodiversity and are the most threatened group of vertebrates on the planet, with some species declining mainly due to habitat loss; therefore, they are an important parameter to understand the effects of fragmentation. One of the least known aspects of this process is how the surrounding matrix fragments influence frog diversity and gene flow among these forest remnants. Moreover, few studies have analyzed genetic variability of
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