Collection of lessons, animation, labs that reviews information and concepts behind genes and DNA.

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LP2: What's a gene, and how is it related to DNA?

by Alliance for Catholic Education (ACE)

Lesson plan 2 in the unit Molecular Genetics
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Review: Genetics

by Robert Lucas

This resource is a review worksheet for an exam on genetics. This resource is part of the Developing Biology course which contains units on Microscopes; Biochemistry; Cells; Cellular Transport; DNA; Photosynthesis and Respiration; Mitosis and Meiosis; Genetics; and Evolution.
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As background for this activity, students should know that DNA is the genetic material and DNA is contained in chromosomes inside the nucleus inside a cell. We recommend that this activity be followed by our activity, "From Gene to Protein -- Transcription and Translation", which continues discussion of the importance of the base-pairing rule and explains how the sequence of nucleotides in a gene determines characteristics such as sickle cell anemia.
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LP1. DNA: The Molecule of Life?

by Alliance for Catholic Education (ACE)

LP 1 in Molecular Genetics Unit
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This exploration allows you to travel to the tiny world of DNA. Beginning with the body and ending with the atoms that make up a single DNA base, you'll be able to zoom in to 15 different levels to see DNA's relationship to us as a whole. Along the way you'll also see the intricate bending and winding that takes place within a chromosome, which allows more than five feet of DNA to fit within the nucleus of a tiny cell. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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Lab: Genes & Proteins

by Sophie Teacher

Suggestions for Implementation This activity is intended for students who have already learned about biological polymers (including the basic structure of proteins and DNA) and have been introduced to the concepts of chromosomes and genes. The questions on page 1 provide an opportunity to review some of the relevant concepts. We also assume that students have learned about the importance of the base-pairing rule in DNA structure and DNA replication (e.g. using the "DNA" activity on this website; see footnote). If you have already introduced transcription and translation, your students probably can complete this activity in two 50-minute periods. However, if you would like to use this activity to introduce the topic, another possible sequence for four 50-minute periods
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This resource is an interactive Web activity in which you find out how much DNA you share with different living things. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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When scientists look at our genetic code, they can see an amazing story of human history and our connectedness to other creatures on this planet. They see long strings of code that are almost identical to the code in baker's yeast. They see the differences -- sometimes no more than a single letter -- that can mean the difference between health and disease. They see genetic code that has no known function but has repeatedly copied itself and hitchhiked across the human genome. They see densely populated regions, where genes are bunched up together, and vast deserts, with no meaningful code in sight. Here, explore an actual stretch of human DNA and see what the experts see. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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This narrated animation covers: gene duplication, crossover, gene deletions, random mutations, Homologous Genes, paralogs, gene family
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Deleterious Genes

by Janet Pinto

Provides explanations as to why deleterious genes may exist in a population even though one would expect natural selection to remove genes with negative effects from a population (individuals who carry those genes would not reproduce as much, so the genes should not be passed on).
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The lac operon is a set of genes which are responsible for the metabolism of lactose in some bacterial cells. Studnets explore the effects of mutations within the lac operon by adding or removing genes from the DNA.
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