This simple experiment will give students the opportunity to work with a …
This simple experiment will give students the opportunity to work with a partner(s) as they follow a procedure to extract their own DNA. They will record the steps in written and digital forms using an lab report template, cell phone camera and Google Slides.
Students perform DNA forensics using food coloring to enhance their understanding of …
Students perform DNA forensics using food coloring to enhance their understanding of DNA fingerprinting, restriction enzymes, genotyping and DNA gel electrophoresis. They place small drops of different food coloring ("water-based paint") on strips of filter paper and then place one paper strip end in water. As water travels along the paper strips, students observe the pigments that compose the paint decompose into their color components. This is an example of the chromatography concept applied to DNA forensics, with the pigments in the paint that define the color being analogous to DNA fragments of different lengths.
This is a technology based, hands-on Biology lesson on the types of …
This is a technology based, hands-on Biology lesson on the types of mutations that can occur during DNA replication. Students will complete a virtual lab on DNA Mutations. Mutations involve a physical change to genetic material that results in the abnormal encoding of protein sequences. The students will complete mRNA and protein sequences based on the information provided. The students will identify the number of amino acids changed and how they think this mutation will impact the organism. This lesson plan results from a collaboration between the Alabama State Department of Education and ASTA.
Your body is made of cells -- but how does a single …
Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to detailed manual for building a person out of cells -- with 46 chapters (chromosomes) and hundreds of thousands of pages covering every part of you.
As a class, students work through an example showing how DNA provides …
As a class, students work through an example showing how DNA provides the "recipe" for making our body proteins. They see how the pattern of nucleotide bases (adenine, thymine, guanine, cytosine) forms the double helix ladder shape of DNA, and serves as the code for the steps required to make genes. They also learn some ways that engineers and scientists are applying their understanding of DNA in our world.
This course will explore the current frontiers of the world of RNA …
This course will explore the current frontiers of the world of RNA biology with primary research papers to trace how the original odd detail sometimes leads to major discoveries. As we discuss the different transcripts and processing events that enable this exciting diversity of RNA functions, we invite you to read landmark papers with us, think critically, and ask new questions, as we marvel at the wonders of RNA. This course is one of many Advanced Undergraduate Seminars offered by the Biology Department at MIT. These seminars are tailored for students with an interest in using primary research literature to discuss and learn about current biological research in a highly interactive setting. Many instructors of the Advanced Undergraduate Seminars are postdoctoral scientists with a strong interest in teaching.
DNA weaves together the tapestry of life on Earth. It mutates, which …
DNA weaves together the tapestry of life on Earth. It mutates, which can lead to variation among organisms. Watch how natural selection relies on DNA to mold organisms to suit their environments.
Explore the relationship between the genetic code on the DNA strand and …
Explore the relationship between the genetic code on the DNA strand and the resulting protein and rudimentary shape it forms. Through models of transcription and translation, you will discover this relationship and the resilience to mutations built into our genetic code. Start by exploring DNA's double helix with an interactive 3D model. Highlight base pairs, look at one or both strands, and turn hydrogen bonds on or off. Next, watch an animation of transcription, which creates RNA from DNA, and translation, which 'reads' the RNA codons to create a protein.
Data Carpentry lesson to learn how to use command-line tools to perform …
Data Carpentry lesson to learn how to use command-line tools to perform quality control, align reads to a reference genome, and identify and visualize between-sample variation. A lot of genomics analysis is done using command-line tools for three reasons: 1) you will often be working with a large number of files, and working through the command-line rather than through a graphical user interface (GUI) allows you to automate repetitive tasks, 2) you will often need more compute power than is available on your personal computer, and connecting to and interacting with remote computers requires a command-line interface, and 3) you will often need to customize your analyses, and command-line tools often enable more customization than the corresponding GUI tools (if in fact a GUI tool even exists). In a previous lesson, you learned how to use the bash shell to interact with your computer through a command line interface. In this lesson, you will be applying this new knowledge to carry out a common genomics workflow - identifying variants among sequencing samples taken from multiple individuals within a population. We will be starting with a set of sequenced reads (.fastq files), performing some quality control steps, aligning those reads to a reference genome, and ending by identifying and visualizing variations among these samples. As you progress through this lesson, keep in mind that, even if you aren’t going to be doing this same workflow in your research, you will be learning some very important lessons about using command-line bioinformatic tools. What you learn here will enable you to use a variety of bioinformatic tools with confidence and greatly enhance your research efficiency and productivity.
In this video module, students learn how scientists use genetic information from …
In this video module, students learn how scientists use genetic information from dogs to find out which gene (out of all 20,000 dog genes) is associated with any specific trait or disease of interest. This method involves comparing hundreds of dogs with the trait to hundreds of dogs not displaying the trait, and examining which position on the dog DNA is correlated with the trait (i.e. has one DNA sequence in dogs with the trait but another DNA sequence in dogs not displaying the trait). Students will also learn something about the history of dog breeds and how this history helps us find genes.
After watching video clips from the Harry Potter and the Goblet of …
After watching video clips from the Harry Potter and the Goblet of Fire movie, students explore the use of Punnett squares to predict genetic trait inheritance. The objective of this lesson is to articulate concepts related to genetics through direct immersive interaction based on the theme, The Science Behind Harry Potter. Students' interest is piqued by the use of popular culture in the classroom.
Students will construct a model of a dragon based on traits inherited …
Students will construct a model of a dragon based on traits inherited from the parent dragons. This activity demonstrates the inheritance of dominant and recessive traits, codominance, and incomplete dominance. Students will use Punnett Squares to predict genotypic and phenotypic ratios of the dragon population in the class. This project could serve as a culminating activity for Genetics and the Inheritance of traits. This activity was adapted from Alabama Science in Motion. This lesson results from a collaboration between the Alabama State Department of Education and ASTA.
Students learn the principles of independent assortment and gene linkage in activities …
Students learn the principles of independent assortment and gene linkage in activities which analyze inheritance of multiple genes on the same or different chromosomes in hypothetical dragons. Students learn how these principles derive from the behavior of chromosomes during meiosis and fertilization.
In this simulation activity students mimic the processes of meiosis and fertilization …
In this simulation activity students mimic the processes of meiosis and fertilization to investigate the inheritance of multiple genes and then use their understanding of concepts such as dominant/recessive alleles, incomplete dominance, sex-linked inheritance, and epistasis to interpret the results of the simulation. This activity can be used as a culminating activity after you have introduced classical genetics, and it can serve as formative assessment to identify any areas of confusion that require additional clarification.
Students are introduced to genetic techniques such as DNA electrophoresis and imaging …
Students are introduced to genetic techniques such as DNA electrophoresis and imaging technologies used for molecular and DNA structure visualization. In the field of molecular biology and genetics, biomedical engineering plays an increasing role in the development of new medical treatments and discoveries. Engineering applications of nanotechnology such as lab-on-a-chip and deoxyribonucleic acid (DNA) microarrays are used to study the human genome and decode the complex interactions involved in genetic processes.
Under the "The Science Behind Harry Potter" theme, a succession of diverse …
Under the "The Science Behind Harry Potter" theme, a succession of diverse complex scientific topics are presented to students through direct immersive interaction. Student interest is piqued by the incorporation of popular culture into the classroom via a series of interactive, hands-on Harry Potter/movie-themed lessons and activities. They learn about the basics of acid/base chemistry (invisible ink), genetics and trait prediction (parseltongue trait in families), and force and projectile motion (motion of the thrown remembrall). In each lesson and activity, students are also made aware of the engineering connections to these fields of scientific study.
During development a single totipotent cell gives rise to the vast array …
During development a single totipotent cell gives rise to the vast array of cell types present in the adult human body, yet each cell has essentially the same DNA sequence. As cells differentiate, distinct sets of genes must be coordinately activated and repressed, ultimately leading to a cell-type specific pattern of gene expression and a particular cell fate. In eukaryotic organisms, DNA is packaged in a complex protein super structure known as chromatin. Modification and reorganization of chromatin play a critical role in coordinating the cell-type specific gene expression programs that are required as a cell transitions from a pluripotent stem cell to a fully differentiated cell type. Epigenetics refers to such heritable changes that occur in chromatin without altering the primary DNA sequence. This class will focus on the role of epigenetic regulation with respect to developmental fate and also consider the fact that the epigenetic mechanisms discussed have broad implications, including how seemingly normal cells can be transformed into cancerous cells. This course is one of many Advanced Undergraduate Seminars offered by the Biology Department at MIT. These seminars are tailored for students with an interest in using primary research literature to discuss and learn about current biological research in a highly interactive setting. Many instructors of the Advanced Undergraduate Seminars are postdoctoral scientists with a strong interest in teaching.
Epigenetics - our epigenome - controls how our genes behave without altering …
Epigenetics - our epigenome - controls how our genes behave without altering their sequence. Just about everything affects it, from nutrition, drugs, and toxins to child rearing, culture, and society. Many diseases, from obesity to addiction to cancer, can be linked to epigenetic modifications. Furthermore, throughout development and life, from conception to death, the exposures you have will not only affect your own epigenome, but potentially also your child’s, and your grandchild’s. This rapidly expanding field of biological, physiological, sociological, and psychological research could be key to discovering why, and more importantly how, we are the way we are.
Epigenetics has consequences for medicine, pregnancy, childcare, law and how we live on an everyday basis. This book will provide a comprehensive introduction to the mechanisms and real-life consequences of epigenetics, and will arm the reader with the knowledge necessary to make informed decisions about the future of epigenetics in modern society. This is a call for serious consideration about the effects of epigenetics on society.
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