along the lines of biology and chemistry. While researching various courses‚ I came across genetics‚ which was of great interest to me‚ finding out that the course included aspects such as cell mutation‚ the studying of chromosomes‚ and the behavior of micro-organisms. These topics genuinely sparked my interest in the field. Hearing the words ’DNA’ and ’genes’ in the news is no longer foreign to our ears; genetics underpins much of the news we hear about scientific advances. I have always been interested
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adenine‚ thymine‚ and cytosine‚ the four nucleobases of DNA. Vincent Anton Freeman is the protagonist of Gattaca. He‚ unlike most of his generation‚ was conceived without genetic selection‚ and is therefore at risk for many disorders and has a shortened life expectancy. Vincent dreams of becoming an astronaut‚ but knows his genetic inferiority makes this dream almost unattainable. He therefore does the only thing he can think of that will help him attain this dream: posing as a different individual
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teenagers are exposed to the risk of having obesity. There is no sign to show that the statistics decline. It even rises to an alarming level. Obesity can be defined as having a high amount of extra body fat. The most useful measure of obesity is Body Mass Index (BMI). It is based on height and weight of an adult‚ a child and a teen. The higher the BMI value‚ the higher the risk of disease. If the BMI ranges from 30.0 to 39.9‚ one is in obese. Obesity may cause by unbalanced diet‚ lack of exercise
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is currently a substantial body of research supporting the argument that there is a genetic influence on numerous human behaviors‚ such as homosexuality‚ intelligence and personality. One indication that behavior has a genetic basis is that behavior is often species specific. Examples include the warning behavior of prairie dogs or the mouth to mouth sharing of blood amongst vampire bats. The closer our genetic resemblance is to a certain species‚ the more behaviors we have in common. Since long
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Genetic Engineering INTRODUCTION Genetic Engineering Involves methods‚ techniques‚ and procedures used in gene manipulation. Furthermore‚ it Involves isolation‚ manipulation and reintroduction of DNA into cells or model organisms‚ usually to express a protein to reach desired effects. Aim: to introduce new characteristics or attributes physiologically or physically Such as: making a crop resistant to herbicide‚ introducing a novel trait‚ enhancing existing ones‚ or producing a new protein
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Child Obesity Obesity is among the easiest medical conditions to recognize but it is one of the hardest conditions to treat. Obesity in society has become worse and worse since time has lead on and this is not just in adults. Children are becoming more obese as time goes on‚ and we have to blame parents for this. If parents aren’t watching or regulating what their children are eating‚ it could turn into worse problems for the children down the road. Parents need to show their children more
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the ability to talk to loved ones overseas. However‚ are there ethical limits upon how far science may progress? With science fiction slowly becoming reality‚ technological advances such as gene editing have given scientists the ability to alter genetic traits to suit the needs of humans. At first‚ it may seem like a breakthrough humanity desperately needs to overcome many obstacles facing the human race. However‚ this highly controversial process could lead to unintended consequences due to limitations
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Genetic Drift Genetic drift‚ also known as allelic drift‚ is the change in the number of gene variants‚ alleles‚ in a population because of random sampling. The allele frequency in a population is the fraction of the copies of one gene that share a specific form. The alleles in the offspring are a sample of gene variants in its parents. Chance plays a part in whether one survives and carries its genes on‚ or does not. Genetic drift may cause gene variants to disappear completely resulting in reduced
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Genetic counseling is defined as consultation and testing by trained experts that enable individuals to learn about their genetic heritage including harmful conditions that they might pass along to any children they may conceive. Genetic counseling and testing‚ like many other advances of modern science‚ has the potential to improve the quality of life for those us who are fortunate enough to live in a country where it is readily available. But just like many other scientific advances‚ it is also
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Essay: Obesity How many times a day do you see an obese person walking down the street? And how often do you see them exercising to overcome their problem? Obesity is one of the biggest problems in the United States due to people not knowing how to eat right‚ depression and lack of exercise. To begin with‚ Americans are not very open minded on the idea of healthy eating‚ they are not well educated on the topic. They think that eating healthy is just eating salad or not eating anything at all‚
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