CourseSource: Resources

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724

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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...

Courses: Bioinformatics Genetics Introductory Biology Science Process Skills

bioinformaticsautosomehomologous chromosomeshomologous recombinationsex chromosomesex determinationsex reversal mutations

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6253

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554

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2

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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 latex bands to model cohesion of sister...

Courses: Cell Biology Genetics Introductory Biology

meiosischiasma formationchromosome recombination

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5650

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1168

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3

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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 cells or explain how and why chromosomes pair before...

Courses: Cell Biology Genetics Introductory Biology

recombinationmeiosisDNA sequenceCrossingoverchromosome structureHolliday junctionhomology

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432

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65

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0

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The Science and Ethics of Gene Drives: An Active Learning Lesson in Genetics

Coursework connecting biology to socially relevant issues and ethical questions can help students think about biology in interdisciplinary terms. Gene drives represent one topic involving both advanced biology concepts and societally relevant...

Courses: Genetics

bioethicsCRISPR/Cas9Genetic modificationGene drives

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2115

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396

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0

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Integrating Manipulatives and Animations to Visualize Holliday Junctions

The complex molecular architecture of Holliday junctions is often challenging for undergraduate biochemistry students to conceptualize. In particular, they have difficulty translating from two-dimensional, linear representations shown in textbooks...

Courses: Biochemistry and Molecular Biology Genetics

dna structureDNA damageDNA recombinationGene crossoverHolliday junction

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2993

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346

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0

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A Muscular Dystrophy Case Study Illustrating the Phenotypic Effects of Mutation

Mutations in genes can lead to a variety of phenotypes, including various human diseases. Students often understand that a particular mutation in a single gene causes a disease phenotype, but it is more challenging to illustrate complex genetic...

Courses: Developmental Biology Genetics

mutationProtein Structureethicscentral dogmahuman disease

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2816

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682

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0

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The Case of the Missing Strawberries: RFLP analysis

While solving the fictional mystery of the missing strawberries, students are engaged in a guided-inquiry lesson featuring small-group and class discussions, hands-on activities, and laboratory exercises related to molecular genotyping by...

Courses: Genetics Science Process Skills

process of scienceDNAforensicsgel electrophoresisMolecular genotypingRestriction endonucleaseRestriction enzymeRestriction fragment length polymorphismRFLP

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2274

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351

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0

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Learning R for Biologists: A Mini Course Grab-Bag for Instructors

As biology becomes more data driven, teaching students data literacy skills has become central to biology curriculum. Despite a wealth of online resources that teach researchers how to use R, there are few that offer practical laboratory-based...

Courses: Anatomy-Physiology Bioinformatics Ecology Ecology Genetics

Rdata analysisRStudio

Teaching Tools and Strategies

1338

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50

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Using Constructed Response Questions on High-Stakes Assessments in Large Classes With Limited Support

Large lecture courses often rely heavily, and sometimes exclusively, on Multiple Choice (MC) exams to assess student learning. Constructed Response (CR) questions, in which students generate their own answers, can provide more insight into student...

Courses: Genetics

assessmenttestexamLarge classconstructed responseshort answerscoring

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5476

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2552

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0

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Exploring the Lytic and Lysogenic Life Cycles of Bacteriophages

The goal of this lesson is to introduce students to the lytic and lysogenic cycles of T4 and lambda bacteriophages, respectively, using student-centered pedagogies. Bacteriophages are viruses that infect bacteria and are either virulent or...

Courses: Microbiology

bacteriophagesLysogenic cycleLysogenyLytic cycle

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9296

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1205

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0

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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...

Courses: Genetics Science Process Skills

meiosismitosissex determinationAsexual reproductionParthenogenesis

Teaching Tools and Strategies

2545

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211

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0

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An Interactive Protocol for In-Classroom DNA Extraction

Using commonly available materials, this tool allows students to extract DNA, exploring DNA chemistry and the principles of experimental design and execution. We take a “Choose Your Own Adventure” approach encouraging students to...

Courses: Biochemistry and Molecular Biology Genetics Introductory Biology

geneticsDNAbiochemical structure and function

Lesson

2045

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890

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0

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Exploration of the Human Genome by Investigation of Personalized SNPs

Students often shy away from tedious bioinformatics approaches to exploring their genomes. However, in our expanding digital world these skills are some of the most relevant and valuable. To increase students' interest in their own genomes, I...

Courses: Bioinformatics Genetics Science Process Skills

UCSC genome browsersingle nucleotide polymorphismGenome wide association studiesGenomic organization

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1793

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342

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0

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Cutthroat trout in Colorado: A case study connecting evolution and conservation

Evaluation of evidence is a key process skill for the core competencies of applying the process of science and using quantitative reasoning. This case study enables upper-division biology students to practice these skills by applying evolutionary...

Courses: Evolution Genetics Science Process Skills

population geneticsphylogeneticsSpeciationdivergencegene flow

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1906

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474

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0

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Why do Some People Inherit a Predisposition to Cancer? A small group activity on cancer genetics

Before undergraduate students take a genetics course they generally know cancer has a genetic basis and involves the proliferation of cells; however, many are uncertain about why only a subset of people have a predisposition to cancer and how that...

Courses: Genetics Science Process Skills

cancerInheritance patternsProbability calculationProto-oncogeneTumor Suppressor Gene

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3762

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285

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0

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Fragile States: A Case Study Exploring Genetics, Molecular Biology, and Biochemistry Through the Lens of Fragile X Syndrome

This case aims to strengthen students’ understanding of molecular biology concepts through study of Fragile X Syndrome (FXS). Students begin by learning the cause and phenotypes of FXS and related conditions. Students then apply genetics...

Courses: Biochemistry and Molecular Biology Genetics

gene regulationtranscriptiontranslationFragile X syndrometriplet repeat expansionsex linkagemetabolic pathway

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5361

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1394

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0

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Teaching Cell Structures through Games

As the basic unit of life, cells are a foundational concept for all of biology. Before students can appreciate how eukaryotic cells function either in isolation or in higher order and multicellular organisms, they must first have a basic...

Courses: Introductory Biology

Cell Structurecell organellesTransmembrane Transport

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3776

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415

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Using Open-Source Bioinformatics and Visualization Tools to Explore the Structure and Function of SARS-CoV-2 Spike Protein

The relationship between protein structure and function is a foundational concept in undergraduate biochemistry. We find this theme is best presented with assignments that encourage exploration and analysis. Here, we share a series of four...

Courses: Biochemistry and Molecular Biology Bioinformatics Science Process Skills

bioinformaticsmolecular modelingCOVID19protein structure and functionUCSF ChimeraSARS-CoV-2 spike proteinACE2 receptor

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3162

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404

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Honoring the Complexity of Genetics: Exploring the Role of Genes and the Environment Using Real World Examples

Historically, undergraduate genetics courses have disproportionately focused on the impact of genes on phenotypes, rather than multifactorial concepts which consider how a combination of genes, the environment, and gene-by-environment interactions...

Courses: Evolution Genetics Introductory Biology

genesenvironmentMendelQuantitative traitsMultifactorialGene by environment interactions

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5295

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695

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0

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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 challenging for undergraduate students to...

Courses: Biochemistry and Molecular Biology Introductory Biology