"Gene Weingarten" Essays and Research Papers

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    and Gene Expression Microarrays (1) What is gene expression? What can affect gene expression? • When a gene is used to build an mRNA copy (transcription) which is then used to guide the synthesis of a protein (translation)‚ the gene has been “expressed”. Thus the term gene expression refers to anytime a gene is “turned on”‚ leading to the synthesis of the protein it codes for. • Gene expression can be affected by mutations or environmental factors. Thus the expression of genes is not

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    Biotechnology in Medicine

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    Applications of Biotechnology in Medicine Overview of the applications of biotechnology in medicine that will be dealt here: 1. Gene Therapy 2. Pharmacogenomics 3. Genetic Testing 4. Cloning What is Biotechnology? Biotechnology can broadly be defined as the art of understanding and manipulating living organisms’ genes (code of life) and their products for the production of food‚ medicine‚ drink‚ or for other benefits or useful purposes to mankind and other organisms. Basically

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    Genteic

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    Definition: Epistasis is the term applied when one gene interferes with the expression of another (as in the baldness/widow ’s peak mentioned earlier). Bateson reported a different phenotypic ratio in sweet pea than could be explained by simple Mendelian inheritance. This ratio is 9:7 instead of the 9:3:3:1 one would expect of a dihybrid cross between heterozygotes. Of the two genes (C and P)‚ when either is homozygous recessive (cc or pp) that gene is epistatic to (or hides) the other. To get purple

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    In the book‚ A Separate Peace‚ the main relationship of the novel is between the very charismatic‚ and humble Phineas (or Finny for short)‚ and the jealous‚ overachiever‚ Gene. The book is mostly set at a boarding school named Devon‚ there he meets many friends including Finny‚ who which he becomes good friends with‚ and even creates a club with. There Friendship can be described with the quote‚ “Never waste jealousy on a real man: it is the imaginary man that supplants us all in the long run.”

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    Speech

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    always expressed when its gene recessive - An expression that is expressed only when its allele is the only form of the gene present in the genotype. incomplete dominance - Neither allele is dominant to the other‚ thus each is expressed in the heterozygous genotype producing an intermediate phenotype. EX. Red (RR) and White (R’R’) snapdragons produce pink (RR’). epistasis - A condition in which one gene pair has the ability to mask or prevent the expression of another gene pair. EX. Coat color

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    Human Geome Project

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    segment of a DNA molecule that codes for one complete protein is called a gene. The human genome is carried on 23 different chromosomes—or DNA molecules. What is the HGP? * Begun in 1990‚ completed in 2003 (earlier than expected due to technology advances) * Coordinated by the U.S. Department of Energy and National Institutes of Health * Goals of the project: * identify all the approximately 20‚000-25‚000 genes in human DNA‚ * determine the sequences of the 3 billion chemical

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    DNA. Each of their own traits are made up of genes. Genes are characteristics that are passed down from generation to generation. For example‚ a child with colored eyes could have inherited that trait from a past generation or from the child’s parents. A gene is the basic physical and functional unit of hereditary. Every person has two copies of each genes‚ one inherited from each parent. For instance‚ blue colored eyes are considered a recessive gene. The most common question asked about eyes is

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    that is or has been done related to genetics. Genetics play a strong role in developing cancer because there are many factors related to cancer that can be linked to genetics. According to (Cancer.net‚ 2011) “Many cancers begin when one or more genes in a cell are mutated (changed)‚ creating and abnormal protein or no protein at all. The information provided by an abnormal protein is different from that of a normal protein‚ which can cause cells to multiply uncontrollable and become cancerous.”

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    chapter 10 bio. outline

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    whether dominant phenotypes are heterozygous or homozygous. Mendel formed his law of segregation from this work. Today we know that many traits are controlled by dominant and recessive alleles of genes. Genes have a specific location called the gene locus. Genotype describes the actual alleles for a gene; phenotype is the physical expression of the genotype. Two Trait Inheritance Mendel also performed experiments looking at inheritance patterns of two traits together. From this he formulated the

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    Gene testing should be available for disorders that cannot be cured or prevented Genetic tests are done by analysing small samples of blood or body tissue. Therefore they can determine whether people carry the genes for certain inherited diseases. Genetic testing is continuously developing and has now developed enough that doctors can often accurately pinpoint missing of defective genes. This is crucial in the prevention of inherited disorders and giving parents around the world a chance to raise

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