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Lesson
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Sex-specific differences in Meiosis: Real-world applications
In traditional classrooms, students are typically presented with facts that they are asked to memorize and recall during an exam.  The rapid explosion of available scientific facts in recent years has made this model of teaching...
meiosis Reproduction Aneuploidy Gamete Non-disjunction Oocyte Sperm Trisomy
Lesson
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21

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Modeling the Research Process: Authentic human physiology research in a large non-majors course
Laboratory experiences in large-enrollment introductory science courses often utilize “cookie-cutter style” laboratory experiences due to the relative simplicity of setting up the lab stations, as well as a need to teach students...
data analysis hypothesis testing experimental design physiology
Lesson
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Plotting Cranial and Spinal Nerve Pathways in a Human Anatomy Lab
Hands-on experiences with cadavers, animal dissections, or plastic models are effective at improving student learning and attitudes in human anatomy courses. The hands-on experience allows students to visualize and experiment with anatomical...
human anatomy Nervous system Brain Cranial nerve Nerve Spinal cord Spinal nerve
Lesson
109

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36

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Homologous chromosomes? Exploring human sex chromosomes, sex determination and sex reversal using bioinformatics approaches
Constructing a robust understanding of homologous chromosomes, sex chromosomes, and the particulate nature of genes is a notoriously difficult task for undergraduate biology students. In this lesson, students expand their knowledge of human...
bioinformatics autosome homologous chromosomes homologous recombination sex chromosome sex determination sex reversal mutations
Essay
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15

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Helping Students to Overcome STUMPS: Scientific terms undermined by meanings peripheral to science
Many terms and phrases that are ubiquitous in everyday use have very different meanings in science. As a result, biology students often hold prior conceptions that are difficult to change. In this essay, I refer to such problematic terms as...
Evolution fitness process of science tree of life metacognition language misconceptions Terminology Theory
Lesson
64

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39

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Does it pose a threat? Investigating the impact of Bt corn on monarch butterflies
Aspiring scientists know that a hallmark of science is that experiments are repeatable and testable.  However, students do not often get opportunities to explore the replicability of science.  Using a current “hot topic” of...
ecology Community Ecology Bt corn Genetic modification Monarch butterflies
Lesson
58

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33

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Coevolution or not? Crossbills, squirrels and pinecones
This case reinforces the concept of coevolution as a reciprocal change in genetic structure between or among two or more populations, by having students analyze and interpret data, build a descriptive model of the system, and use data to make...
fitness Coevolution Co-adaptation
Lesson
58

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20

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Bad Cell Reception? Using a cell part activity to help students appreciate cell biology, with an improved data plan and no loss in coverage
With a veritable myriad of cell parts to cover, it is easy for educators to become locked into marathon presentations that become taxing for both the instructor and the students. While we hope and expect that students master this material, the...
primary literature prokaryotes Cell parts Eukaryotes Organelle function Organelles
Lesson
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Why Meiosis Matters: The case of the fatherless snake
A compelling reason to learn something can make all the difference in students’ motivation to learn it.  Motivation, in turn, is one of the key attitudes that drives learning.  This story presents students with a compelling puzzle of a...
meiosis mitosis sex determination Asexual reproduction Parthenogenesis