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    Mitosis and Meiosis Resources
    New stop-motion ‘candymation’ videos of mitosis and meiosis, plus Instructor Guides and problem sets.

    Keywords: meiosislearningmitosisanimationscell division mechanismschromosomes

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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...

    Keywords: meiosismitosissex determinationAsexual reproductionParthenogenesis

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    The Science Behind Parthenogenesis: Interesting things happen when meiosis goes “wrong”
    Parthenogenetic reproduction is a fascinating, complex topic.  This article accompanies “Why Meiosis Matters: The case of the fatherless snake.” It summarizes the basic information...

    Keywords: meiosismitosissex determinationAsexual reproductionParthenogenesis

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    Meiosis Remodeled: Inclusion of New Parts to Poppit Bead Models Enhances Understanding of Meiosis
    A long-standing tradition uses strings of poppit beads of different colors to model meiosis, especially to show how segments of paired homologous chromosomes are recombined. Our use of orthodontic...

    Keywords: meiosischiasma formationchromosome recombination

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    My Twin Sister Case Study
    A young boy wonders why his twin sister can roll his tongue, but he cannot. Case centers on meiosis.

    Keywords: case studymeiosistwins

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    Teaching about fatherless snakes in a prison classroom
    Developing a course for the first time as a graduate student is challenging. When I first taught introductory biology with the Cornell Prison Education Program, I struggled to design and adapt...

    Keywords: meiosismitosisReproduction

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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...

    Keywords: meiosisReproductionAneuploidyGameteNon-disjunctionOocyteSpermTrisomy

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    Meiosis: A Play in Three Acts, Starring DNA Sequence
    Meiosis is well known for being a sticky topic that appears repeatedly in biology curricula. We observe that a typical undergraduate biology major cannot correctly identify haploid and diploid...

    Keywords: recombinationmeiosisDNA sequenceCrossingoverchromosome structureHolliday junctionhomology

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    Cell ploidy made simple: Resources for students and instructors
    The concept of cell ploidy can be challenging for students to grasp. This resource includes a short, informal instructional video and a worksheet/set of clicker questions combo that allows students...

    Keywords: meiosismitosis1n2nploidyhaploiddiploid

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    Joel E. Greengiant Learns About Peas: From Nucleotides to Selection
    This case study follows purveyors of peas, Joel E. and Jolene Greengiant, as they learn about the origin, biochemistry, genetics and eventual artificial selection of sweet (wrinkled) peas, all in...

    Keywords: geneticspopulation geneticsEvolutionintroductory biologycase studybiologyResources @ NSF - NCCSTSmeiosisMendel’s peaspea plantPisum sativumMendel’s Lawsmolecular geneticsmutationnucleotide insertionartificial selectionstarch synthesisstarch branching enzymeplant domesticationlegumesResources @ QUBES - Teaching & Reference

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    The Evolution of Color Vision in Monkeys: From Nucleotides to Ecology
    This case study examines the evolution color vision in Old World and New World monkeys from multiple biological perspectives.

    Keywords: phylogeneticsgenescase studybiologyResources @ NSF - NCCSTSColor visiondichromatictrichromaticnucleotidesproteinsopsinscell functioncone cellsphotoreceptorsspectral shiftgene duplicationmeiosissex-linkedfood gatheringmonkeysprimatesResources @ QUBES - Teaching & Referenceundergraduate biology education

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    Teaching Genetic Linkage and Recombination through Mapping with Molecular Markers
    Most introductory genetics courses cover genetic linkage, a core concept in the CourseSource genetics learning outcome framework. Although it is a classical genetics topic, genetic linkage remains...

    Keywords: meiosisphenotypegel electrophoresismicrosatellitesBanding PatternGenetic linkageInheritanceMolecular MarkersPhysical Linkage

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    Learning Frameworks Aid Goal-oriented Course Design
    As a new instructor it can be hard to know where to begin. Thankfully, CourseSource's learning frameworks (https://www.coursesource.org/courses) shaped my approach to teaching as a first year...

    Keywords: backward designlearning goalscourse design

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    A simple way for students to visualize cellular respiration: adapting the board game MousetrapTM to model complexity
    Lecture-based introductory biology courses are typically content-heavy as instructors strive to provide students with foundational knowledge in a broad range of topics.  One topic...

    Keywords: ATPGlycolysisCellular RespirationElectron Transport ChainKrebs Cycle

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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...

    Keywords: bioinformaticsautosomehomologous chromosomeshomologous recombinationsex chromosomesex determinationsex reversal mutations

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    Mapping a Mutation to its Gene: The "Fly Lab" as a Modern Research Experience
    Although genetics is an invaluable part of the undergraduate biology curriculum, it can be intimidating to students as well as instructors: Students must reduce their reliance on memorization and...

    Keywords: geneticsbioinformaticsdrosophilachi-square analysiscomplementation mappingmode of inheritancethree-point mapping

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    Real World Scenarios in Non-Majors Biology
    Students in non-majors’ biology courses may not choose careers that require biology content knowledge; however, all will encounter science in their lives. We redesigned a non-majors...

    Keywords: geneticsVaccinesScientific ProcessGMOsviruses

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    Learning Quantitative Genetics: Investigation of Genetic Control for Cold Stress Response in Plants
    Course-embedded undergraduate research experiences (CUREs) for students have been shown to increase students’ understanding of the process of science, affirm their scientific identity, and...

    Keywords: data analysisrecombinationplantsquantitative geneticsabiotic stress responsegenetic control of complex traitsinheritance of complex traits

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    Investigating Enzyme Structure and Function Through Model-Building and Peer Teaching in an Introductory Biology Course
    A foundational knowledge of the relationship between structure and function is critical to understanding how enzymes work. The seemingly invisible nature of these molecular interactions makes it...

    Keywords: structure-functionEnzymeallosteric regulationcompetitive inhibitionfeedback inhibitionnoncompetitive inhibitionproductsubstrate

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    Make It Stick: Teaching Gene Targeting with Ribbons and Fasteners
    Manipulating gene expression is a commonly used tool to study the effect of a single gene or the hierarchy of gene networks in many different biological disciplines. When working with mice, the...

    Keywords: mathematical modelhomologous recombinationCre/loxgene targeting

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