The Genetic Code Overview This module will examine how information is encoded in DNA‚ and how that information is interpreted to bring about changes in cells and tissues. Objectives 1. Understand the triplet nature of the genetic code‚ and know the meaning of the term codon. 2. Know that the code is degenerate‚ and what that means. 3. Know that the code is unambiguous‚ and what that means. 4. Know the identities of the start and stop codons‚ and understand how they work. The
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MENDEL`S PRINCIPLES OF GENETICS 1.0 INTRODUCTION: 1.1 BACKGROUND Gregor Mendel‚ who is now considered as founder of classical genetics‚ ( Elrod S. & Stansfield w‚2010)‚ conducted a series of experiments using garden pea plants‚ his aim was to find a way of explaining to his fellow scientists who believed the blending theory which had been proposed earlier by Wiseman‚ that heredity involved the interaction of discrete separable factors (now known as genes) After a statistical analysis of the
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Evolutionary psychologists view human behavior and psychological traits as a result of evolutionary adaptation in response to reproductive needs – much like the concept of natural selection applied to reproduction‚ or sexual selection. Drawing from this perspective‚ evolutionary psychologists and professionals seek to explain the differences between male and female dating and mating rituals and sexual attitudes and how they have evolved throughout the centuries. For example‚ researchers employ the
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Genetic Engineering The engineering of deoxyribonucleic acid (DNA) is entirely new‚ yet genetics‚ as a field of science‚ has fascinated mankind for over 2‚000 years. Man has always tried to bend nature around his will through selective breeding and other forms of practical genetics. Today‚ scientists have a greater understanding of genetics and its role in living organisms. Unfortunately‚ some people are trying to stop further studies in genetics‚ but the research being conducted today will serve
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Genes are codes for certain function that are found in DNA. The combination of genes is what makes each individual unique. MCADD is a genetic disorder‚ caused by a mutation or damage to the gene‚ ACADM‚ that codes for the enzyme‚ medium chain acyl CoA dehydrogenase. This results in the enzyme being absent or existing in minimal quantities. An enzyme increases the rate of a chemical reaction. Our body needs many enzymes in order to make the materials needed for our bodies to function and be healthy
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to another. This is called “genetic engineering.” Genetic engineering also refers to the artificial modification of the genetic code of any living organism. Genetic engineering changes the original physical nature of the organism‚ sometimes in ways that would never occur in nature. Genes from one organism are inserted in another organism‚ most often across natural species boundaries. Some of the effects become known‚ but most do not. There are some examples of genetic engineering that have created
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Mendelian Genetics Introduction In 1865 an Austrian monk‚ Gregor Mendel‚ presented the results of painstaking experiments on the inheritance of the garden pea. Those results were heard‚ but not understood‚ by Mendel’s audience. In 1866‚ Mendel published his results in an obscure German journal. The result of this was that Mendel’s work was ignored and forgotten. Mendel died in 1884 without knowing the pivotal role his work would play in founding the modern discipline of genetics. By 1899‚ some
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Genetics of Drosophila First‚ Drosophila is the common fruit fly. The common fruit fly is some of the best organisms to study for genetic research and experimentation. This is true for a few reasons‚ the first of which is the small number of chromosomes which is 4‚ and that we have identified the genome. This means all traits are known and we can figure out where mutations take place. The second reason is the fly’s ability to reproduce quickly. A new generation is produced every week‚ allowing
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and when it time the most dominant genes will appear. “Each of your cells contains two sets of chromosomes - one set came from your mother while the other came from your father - male sperm and the female egg carry a single set of 23 chromosomes each - 22 autosomes and an X or Y sex chromosome. If you are female you inherited an X chromosome from each parent - if you are male you inherited an X chromosome from your mother and a Y from your father.” (Nordqvist‚ 2008) Genes are essential to the function
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Role of Genetics Brenda Dople PSY 104 Child and Adolescent Development Instructor Andrew Fletcher April 16‚ 2012 There are billions of people on this planet. Everyone is different. Even our closest siblings can look‚ behave and have different abilities than we do. Do you ever wonder how this happens? Environmental and biological factors work together in a lifelong process to determine how a child will develop into an adult. In this paper‚ I will discuss how the biological
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