...Structure of DNA DNA Structure and replication can be described as the molecule of inheritance. There are many complex issues to its structure and forms of inheritance. One scientist researched the structure of DNA at a time during the 19th century when there was no knowledge of DNA’s role in heredity. By the 1950s a series of discoveries convinced the scientific community that DNA acts as the hereditary material. To describe DNA would be like a blueprint found in every cell in all living organism. Living organisms are made of cells. Every cell has a nucleus, and chromosomes. Human beings have 46 chromosomes that are paired into 23 chromosomes that contain hundreds of genes. The genes contain the formula for proteins that make most of the body. The structural proteins form various essential parts of the body such as skin, hair, and muscle. These chromosomes can be described as a twisted ladder held together by a backbone that is made up of sugar phosphate. Long coils of DNA (Deoxyribonucleic Acid) store all the information that the body needs such as the physical features of how one will look and their everyday functions. The DNA is a thread formed by two strands, twisted together to form a Double Helix. The Double Helix looks like...
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...Mendel’s “First Law”: Observing Anthocyanin in Brassica rapa Abstract The foundation of genetics lies with the principles that Gregor Mendel outlined after his experiments with pea plants where he discovered the relationship between physical characteristics, or phenotype, and genetic traits, or genotype. This experiment aimed to reproduce Mendel’s results with the Brassica rapa plant, noted for it’s fast generation time, and anthocyanin, a purple pigment that can be visually tracked through subsequent generations. It is important for experiments resulting in scientific discovery to be replicable and peer reviewed. Since Mendelian genetics are the foundation of scientific education, including answering questions about evolution and heredity of beneficial or fatal genes, his experiment is a valid and important choice. The hypothesis was that the presence of anthocyanin in Brassica rapa follows Mendel’s laws. By germinating the P1 generation and creating the F1 and F2 generations through pollination the hypothesis was tested. The experimental hypothesis was accepted with ------ error and the null hypothesis that these results were due to chance was rejected. Introduction A phenotype provides a clear visual cue for examining the inheritance pattern of genotypes and whether or not these patterns follow Mendelian genetic principles. Gregor Mendel is someone who is often referred to as the “father of genetics,” and discovered important theory pertaining to heredity. He did this...
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...humanity is headed in terms of their offspring. The answer? Modern eugenics. Francis Galton's eugenics, centered around forced sterilization and selective breeding to eliminate undesirable traits and foster the spread of more advantageous ones (Galton), is dead. However, the idea of focusing on one’s inherited genes to eliminate passed down diseases is alive and well, albeit in a more “modern” fashion. Is modern eugenics the right way of the future for humanity? To what extent should modern eugenics be viable? Before ambitious genetic projects had begun, such as the Human Genome Project which mapped out the entirety of the human genome (Genome.gov), the only way to tamper with an individual’s genes was through their parents. Gregor Mendel earned the moniker “The Father of Genetics” because of his experiments involving the breeding of plants in the mid 19th century (Biography.com). However, modern eugenics focuses on the genes of child more than the parents through abortions and the genetic altering of the embryo to achieve the desired results. This can be achieved through a process called genetic screening, which observes an embryo’s chromosomes for any lapses or breaks (Galloway a). Embryo’s that show signs of a genetic disorders, such as Down Hassan 2 Syndrome, SCID, or Sickle Cell Disease, are aborted in favor of an “unflawed” one. John Galloway, a writer for the Genetic Literacy Project, discusses this injustice: Genetic screening, followed by the discarding...
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...major contribution to science is the discovery of nuclear attributes in the isotopes of californium, einsteinium and dysprosium utilizing cryogenic techniques. His research was mentioned in two books and three international scientific books of nuclear science and later confirmed at the University of California at Berkeley using advanced instrumentation. Dr. Navarro has also worked on neutron spectrometry and crystallography; and electronics and instrumentation process. Julian A. Banzon, Ph.D Biophysical Chemistry Dr. Banzon has accomplished a large amount of work on local substances, particularly coconut as a renewable origin of chemicals and fuels. He performed the first study on the creation of ethyl esters used as fuel from sugarcane and coconut. He also invented some original procedures, significant among these is the removal of residual coconut oil by chemical, instead of by physical processes. Bienvenido O. Juliano, Ph.D Organic Chemistry In the duration of 32 years as a Chemist in charge of grain quality research at the International Rice Research Institute (IRRI) from 1961-1993, Dr. Juliano contributed profoundly to primary knowledge in differences in varieties of grain quality of table rice and rice food products and rice nutritional quality, from his research conducted at IRRI and in cooperative studies with scientists in relevant fields of study. Albert Einstein Trying to convince you that Albert Einstein was rejected...
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...computers and, subsequently, the invention of the internet, the science community particularly has had a drastic shift in the scientific publication process. Journals that took months to publish, print and be delivered, are now instantly made available through online websites. Moreover, modernizing resources results in the increase in the available, accessible information for the community. Since the beginning of the century, online science journals have made the scientific community cohesive by providing with the most up to date findings for research being conducted in particular fields as well as all are new ways to “interact” amongst individuals. For this report we have chosen four online resources that provide information on the area of biomolecular biology and neurology, we will enumerate their usefulness to our particular field of interest and their incidence in our future professional careers. In the 1850’s, an Austrian monk Gregor Mendel discovered that he can manipulate plant offspring to breed plants selectively with traits that he wished to see; he cross-bred two tall pea plants and found that the offspring almost certainly expressed the "tall" feature. At the time, the scientific community was ignorant with genetic and DNA comprehension, but Mendel's work would prove to be a precursor to Darwin's evolutionary theory and eventually a foundation for all medical practice performed today. While our understanding of genetics is superb at best, new ideas and practices keep...
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...Contributions to the Discovery of DNA |Contributor(s) |Contribution | | |Demonstrated and quantified inheritance of traits between generations. 1857, Austria | |Gregor Mendel | | | |Discovered transformation. 1928, bacteriologist trying to develop a vaccine against Streptococcus pneumoniae. Two | |Frederick Griffith |strains, smooth edge (with polysaccharide capsule) and rough (without). S bacteria killed mice, R did not. Dead S | | |bacteria did not. Heat killed S. with the capsule did not. R bacteria mixed with heat-killed S bacteria killed mice. | |Vaccine |Material produced from weakened or killed microorganisms to stimulate an immune response and thereby protect the body | | |against infection. | |Transformation |A change in phenotype when bacterial; cells take up foreign genetic material. | | ...
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...Nature versus Nurture Psychology 101 The flight test director for Boeing and a drug addict living in a trailer have more in common than you might think; in this case they are siblings. The brothers are born from the same parents, raised in the same home, given the same opportunities, yet polar opposites of one another. Scenarios such as this pose the question of what makes a person who they are, their environment, or their genes. For centuries the controversy between nature and nurture has been argued among experts. The debate is whether environmental influences or genetic inheritance is responsible for our human makeup. History of Nature versus Nurture From the thirteenth century researcher to present day, the nature nurture controversy is anything but a new topic, although techniques and biases may differ throughout the centuries. In the Beginning In 1874, Francis Galton, published his book English Men of Science: Their Nature and Nurture, which “lays partial claim to the nature versus nurture phrase” (Groff, 1998, para.1). Galton states nature and nurture, “separates under two distinct heads the innumerable elements of which personality is composed. Nature is all that a man brings with him into the world; nurture is every influence from without that affects him after his birth” (Galton, 1874). However, in 1911 a manuscript was found dating back to the thirteenth century which suggested the terms of nature and nurture as well. Previous to this, the philosophers...
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...As human civilization has evolved over the centuries, the ways we produce our food has changed and grown right along beside it. There are many terms for describing this process such as food biotechnology or genetic engineering, but the most common one is genetically modified organisms or GMO. GMO can be used for other things besides crops, though this particular area is the one this paper will be focusing on. There have been many opinions and misconceptions about this subject but in reality it has been used in one form or another since humans began farming and will continue into the future, not only out of curiosity but of necessity. Humans began using the abilities of altering their food since nearly ten thousand years ago when we began to domesticate animals and kept plants...
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...APPLICATION OF STATISTICS IN MEDICAL GENETICS INTRODUCTION "Significance" has a very particular meaning in biology thanks to statistics. How does this term prove an experiment's results are worth special attention? Once one has performed an experiment, how can one tell if the results are significant? For example, say if we are performing a genetic cross in which we know the genotypes of the parents. In this situation, we might hypothesize that the cross will result in a certain ratio of phenotypes in the offspring. But what if our observed results do not exactly match our expectations? How can we tell whether this deviation was due to chance? The key to answering these questions is the use of statistics, which allows us, geneticists, to determine whether our data are consistent with our hypothesis. Statistics and Human Genetics are twin subjects, having grown with the century together, and there are many connections between the two. Some fundamental aspects in particular the concept of Analysis of Variance, first arose in Human Genetics, while statistical and probabilistic methods are now central to many aspects of analysis of questions is human genetics. The most common areas where one can find an extensive applications of statistical methods in human genetics is * Human Genome Project * Linkage Analysis * Sequencing STATISTICAL GENETICS Statistical Genetics involves the identification of genetic variation to help us understand why certain people are...
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...CONSOLACION COLLEGE MANILA 8 Mendiola St., Malacañang Complex, Manila Telephone Nos.: 736-0235 / 313-0513 / Fax: 313-0602 Website: http://www.lccm.edu.ph Thesis Writing Guide June 2011 Prepared by: Dr. Jennifer S. Florida Director, Research and Publications Center La Consolacion College Manila Venancio N. Santos, Jr. Staff, Research and Publications Center La Consolacion College Manila All rights reserved. Published by: Research and Publications Center 231 Gregor Mendel Science Center La Consolacion College Manila 8 Mendiola St., San Miguel, Manila 1005 Telephone: 736 - 0235 (loc 173), 313 - 0509 URL: http://www.lccm.edu.ph Layout: Venancio N. Santos, Jr. La Consolacion College Manila Vision – Mission Statement Vision La Consolacion College Manila is a Catholic educational institution that is inspired by St. Augustine’s vision of the academe that is founded on the primacy of love. It understands the academic community to be above all else, a scholarly fellowship of friends. As an institution of higher learning, La Consolacion College Manila envisions herself to become truly an innovative higher education institution in the Asia-Pacific Rim. Within this decade 2010-2020, LCCM is projected to be veritably influenced by research-oriented instruction that is richly complemented with technology-driven holistic education for lifelong learning, and with strong community outreach programs especially among the marginalized sectors of the National Capital Region (NCR)...
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...| Syllabus College of Natural Science BIO/100 Version 2 Introduction to Life Science with Lab | Copyright © 2009, 2007 by University of Phoenix. All rights reserved. Course Description This course applies a broad, conceptual understanding of biology. Students are introduced to scientific ideologies and concepts that not only shape the biological world, but also shape humans. Students examine the scientific method, evolution and biodiversity, the biology of cells, physiology, the dynamics of inheritance, and the effect humans have on the environment. The text emphasizes methods and the theoretical foundations of ideas, while minimizing isolated facts. It stresses the integration of ideas, making connections that form an understanding of the living world. The weekly online labs add a practical component to the class. The labs build upon the concepts in the text and offer a chance to interact with the material and further their understanding. Policies Faculty and students/learners will be held responsible for understanding and adhering to all policies contained within the following two documents: University policies: You must be logged into the student website to view this document. Instructor policies: This document is posted in the Course Materials forum. University policies are subject to change. Be sure to read the policies at the beginning of each class. Policies may be slightly different depending on the modality in which you attend class. If you have...
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...Genetically Modified Organisms Technology, Society, and Culture Table of Contents Technical Aspect of GMO by Chad Dookie Page 3 Moral and Ethical Aspect of GMO by Ronald Claude Page 7 Cultural and Legal Aspect of GMO by Evangelina Ramirez Page 14 Environmental Issues of GMO by Donovan Collins Page 23 References Page 32 Technical Aspect of GMO by Chad Dookie Description of GMOs and the associated science Most of the populations that do shopping in the groceries to buy food for their family are not aware of the “naturalness” of the food. Groceries sell items such as; cotton seeds, rice, soy, sugar beets, yeast, cassava, papaya, bananas, food flavoring, potatoes, corn, tomatoes, squash, oils, beef, pork, chicken, salmon, peas, alfalfa, and honey. Notice that most of the items listed either came from a plant or an animal. Those are the top 20 grocery items that have been genetically modified. What are genetically modified organisms? A genetically modified organism is any living thing that has had their DNA tampered with. This can be mutating, removing, or adding genetic material into the organism. All of the items listed in paragraph one has had their DNA tampered with. Most times when people talk about genetically modified organisms, they mostly refer to plants that are genetically modified. You may be wondering how the animals listed are considered genetically modified. This is because scientists modify the plants that are being...
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...Genetic Engineering Wesley Rupe, Jawad Rana, Layli Stroia, Charles Taiwo, Mariella Velasquez, Mark Young DeVry University Genetic Engineering Table of contents Title page ………………………………………………………………………………………………………………………. 1 Table of contents ……………………………………………………………………………………………………………. 2 1. A brief description of the technology and an explanation of the associated science (Mariella Velasquez) ………………………………………………..……………. 3 2. Psychological considerations and sociological effects (Mariella Velasquez) …………. 3 3. The historical development and context of the technology (Wesley Rupe) …………. 13 4. Political and legal influences (Mark Young) (Not Complete) 5. Economic questions and considerations (Jawad Rana)………………………………….…… 21 6. The technology in its cultural context, media influence (Charles Taiwo) (Not Complete) 7. Implications for the environment (Charles Taiwo) (Not Complete) 8. Moral and ethical implications (Layli Stroia) ……………………………………………………..… 30 Outline A brief description of the technology and an explanation of the associated science Definition: What is Genetic Engineering? Genetic engineering (GE) is the process of manipulation of an organism genome to create a new DNA. The new DNA might be implanted in a totally different DNA species. It is widely used to create hybrids (some species are not able to naturally breed), correct genetic flows in any type of being. It is applied in...
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...Unit II: Genetics Brief Overview Reading: Chapters 3, 4, 9-12, 14 (Note: you have reviewed much of this already) The earth is teeming with living things. We can easily see some of the larger organisms—trees, grass, flowers, weeds, cats, fish, squirrels, dogs, insects, spiders, snails, mushrooms, lichens. Other organisms are everywhere, in the air, in water, soil and on our skin, but are too small to see with the naked eye—bacteria, viruses, protists (single celled eukaryotes such as amoebae), and tiny plants and animals. Life is remarkable in its complexity and diversity, and yet it all boils down to a very simple idea—the instructions for making all this life are written in nucleic acids, usually DNA. Most organisms have a set of DNA that contains the instructions for making that creature. This DNA contains four “letters” in which these instructions are written—A, T, G, and C. The only difference between the code for a dog and the code for a geranium is in the order of those letters in the code. If you took the DNA from a human and rearranged the letters in the right way, you could produce an oak tree—arrange them slightly differently and you would have a bumble bee—arrange them again and you would have the instructions for making a bacterium. Acting through more than two billion years, the process of evolution has taken one basic idea—a molecular code that uses four letters—and used it over and over, in millions of combinations to produce a dazzling array of life forms...
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...Lab Manual Introductory Biology (Version 1.4) © 2013 eScience Labs, LLC All rights reserved www.esciencelabs.com • 888.375.5487 2 Table of Contents: Introduc on: Lab 1: Lab 2: Lab 3: Lab 4: The Scien fic Method Wri ng a Lab Report Data Measurement Introduc on to the Microscope Biological Processes: Lab 5: Lab 6: Lab 7: Lab 8: Lab 9: The Chemistry of Life Diffusion Osmosis Respira on Enzymes The Cell: Lab 10: Lab 11: Lab 12: Lab 13: Lab 14: Lab 15: Cell Structure & Func on Mitosis Meiosis DNA & RNA Mendelian Gene cs Popula on Gene cs 3 4 Lab Safety Always follow the instruc ons in your laboratory manual and these general rules: eScience Labs, LLC. designs every kit with safety as our top priority. Nonetheless, these are science kits and contain items which must be handled with care. Safety in the laboratory always comes first! Lab Prepara on • • Please thoroughly read the lab exercise before star ng! If you have any doubt as to what you are supposed to be doing and how to do it safely, please STOP and then: Double-check the manual instruc ons. Check www.esciencelabs.com for updates and ps. Contact us for technical support by phone at 1-888-ESL-Kits (1-888-375-5487) or by email at Help@esciencelabs.com. • Read and understand all labels on chemicals. If you have any ques ons or concerns, refer to the Material Safely Data Sheets (MSDS) available at www.esciencelabs.com. The MSDS lists the dangers, storage requirements, exposure treatment...
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