DNA- The ins and outs! Watson and Crick's Paper Watson and Crick published a paper that described the complementary structure of DNA. This paper rocked the science world and illuminated the structure of DNA! Check out their Paper below! Watson and Crick published a paper that described the complementary structure of DNA. Watson and Crick's Paper The Complementary Structure of DNA-The paper The Complementary Structure of DNA-The paper [ DNA Replication-Explanation and Video DNA Replication-Explanation and Video Chapter 16 Outline Below is an outline of Chapter 16. Chapter 16 Outline Below is an outline of Chapter 16. Chapter 16 Outline The Cell Craft Challenge Install and Play CellCraft until you complete the 5th level. Download Cell Craft from here As you play the game, keep track of your success by filling out the cell craft worksheet (attached below). Install and Play CellCraft until you complete the 5th level. Worksheets
PopG Genetic Simulation Program version 4.01 October, 2013 This is a one-locus, two-allele genetic simulation program for use by students. It simulates multiple populations and allows you to see the effect of natural selection, mutation, migration, and genetic drift. It is freely downloadable. It is written in Java, and will run on Windows, Mac OS X, and Linux systems if they have Java installed on them. At its web site evolution.gs.washington.edu/popgen/ is a downloadable "zip archive" which contains a Java archive file which has the Java executable as well as the Java source code. The Java source for popg is called PopGUserInterface.java and is in the folder src. Getting PopG You can fetch PopG using the links below. We have posted a Zip archive of PopG, including Java archives and documentation files. Fetch it here. Installing PopG Here are instructions for saving, unpacking, and installing PopG from different browsers, and on operating systems. Using Chrome on Windows, Mac OS X, or Linux Click on the link. New Run
Friends Have More DNA in Common Than Strangers People may unsuspectingly choose friends who have some DNA sequences in common with them, a new analysis finds. Researchers compared gene variations between nearly 2,000 people who were not biologically related, and found that friends had more gene variations in common than strangers. The study lends a possible scientific backing for the well-worn clichés, "We're just like family," or "Friends are the family you choose," the researchers said. NEWS: How The Sun Changes Your DNA "Humans are unique in that we create long-term connections with people of our species," said Nicholas Christakis, a social scientist at Yale University involved in the study. The researchers did the study because they wanted "to provide a deep evolutionary account of the origins and significance of friendship," Christakis said. The most common gene shared by friends was the "olfactory" gene, which is involved in a person's sense of smell. VIDEO: 98 Percent Of Your DNA Is Junk VIDEO: Imaginary Friends Make You Awesome
Genetic Education Resources for Teachers Genetic Education Resources for Teachers As genetics and genomics research advances rapidly through the knowledge gained from the completed human DNA sequence, teachers and educators require new classroom tools to present the rich history, complexity and excitement of the world of genetics and genomics.These teaching resources include specific teaching plans to present the history, facts and genetic terminology behind the Human Genome Project. Teaching Resources Internet-Based Tools for Teaching the Microbiome Websites, articles, research studies and more to help teach about the microbiome. Learning Tools The GeneEd Website The National Library of Medicine's genetics, education and discovery website. To view the PDFs on this page you will need Adobe Reader. To view the MS Word file on this page, you will need MS Word. To view the MS PowerPoint presentation on this page, you will need MS PowerPoint. Top of page
Genetic pedigrees In these diagrams, people are represented by symbols, usually circles for female and squares for male, and the bottom line represents the children of the couple above. For simplicity, 4 offspring are shown in these examples. However, in practice the number, proportion and order of birth are likely to vary. Obviously, the same technique of family trees can be used to show the results of animal breeding. It is customary to use dark symbols to indicate someone affected with a genetic condition, and unfilled symbols for those who are unaffected. Dominant allele, e.g. Genetic explanation Since the condition is shown in some of the first generation offspring but not in some others, this is not a simple cross between 2 different homozygotes. Note also that in this case the appearance of the condition is independent of the sex of the individual. Genetic diagram Recessive allele, e.g Cystic fibrosis Genetic diagrams For the first section (parents giving rise to the first generation): Example 1 Example 2
Hands-on Activities for Teaching Biology to High School or Middle School Students by Drs. Ingrid Waldron and Jennifer Doherty, University of Pennsylvania The expression "hands-on, minds-on" summarizes the philosophy we have incorporated in these activities -- namely, that students will learn best if they are actively engaged and if their activities are closely linked to understanding important biological concepts. For example, it is helpful to use hands-on models to engage student interest and foster multiple modality learning, but it is crucial to closely link the modeling activity to student understanding of the actual biological processes. Additional resources for teaching biology are available at Introduction to Biology Is Yeast Alive? Students evaluate whether the little brown grains of yeast obtained from the grocery store are alive by testing for metabolism and growth. Download Student Handout: PDF format or Word format Download Teacher Preparation Notes: PDF format or Word format View and submit comments
NOVA | Cracking the Code of Life Cracking the Code of Life PBS Airdate: April 17, 2001 ROBERT KRULWICH: When I look at this—and these are the three billion chemical letters, instructions for a human being—my eyes glaze over. But when scientist Eric Lander looks at this he sees stories. ERIC LANDER (Whitehead Institute/MIT): The genome is a storybook that's been edited for a couple billion years. ROBERT KRULWICH: This is the story of one of the greatest scientific adventures ever, and at the heart of it is a small, very powerful molecule, DNA. For the past ten years, scientists all over the world have been painstakingly trying to read the tiny instructions buried inside our DNA. J. FRANCIS COLLINS (National Human Genome Research Institute): This is the ultimate imaginable thing that one could do scientifically...is to go and look at our own instruction book and then try to figure out what it's telling us. ROBERT KRULWICH: And what it's telling us is so surprising and so strange and so unexpected. I'm Robert Krulwich. DR.
Rediscovering Biology - Online Textbook: Unit 8 Cell Biology & Cancer "We now understand a lot about cancer. We know that it results from a series of genetic changes having to do with cell division and growth control and genetic instability, mortality, the suicide mechanism in cells; the ability of the cells to migrate; the ability of the cells to attract to them a blood supply. And so that's pretty profound that in a few sentences one can summarize a sophisticated, fundamental understanding of what a cancer is." -- Leland Hartwell Introduction A multicellular organism can thrive only when all its cells function in accordance with the rules that govern cell growth and reproduction. To understand how and why cells rebel, we need to understand the normal functions of cell growth and reproduction. Although cancer comprises at least 100 different diseases, all cancer cells share one important characteristic: they are abnormal cells in which the processes regulating normal cell division are disrupted.
Blog - Ricki Lewis 10 talks on the future of stem cell medicine Will the next generation think about diseases like Alzheimer’s and diabetes the way we think about polio and the whooping cough? Susan Solomon, the co-founder of the New York Stem Cell Foundation (NYSCF), certainly hopes so. In this fascinating talk from TEDGlobal 2012, Solomon delves into the foundation’s work on research with stem cells, which she calls the “black boxes for diseases.” “[Stem cells] are our bodies’ own repair kits. While much of the fray is about embryonic stem cells — still the gold standard when it comes to cells — Solomon explains that another type of pluripotent stem cell (called iPS cells) can now be created by, essentially, reprogramming skin cells. Currently, developing a drug takes an average of 13 years, costs $4 billion, and has a 99% failure rate. “That’s a terrible business model, but also is a horrible social model,” she says. Two months after her talk, Solomon tells the TED Blog that interest in NYSCF work is growing. Daniel Kraft: Medicine’s future?