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Genetic influence on human development
Essay: Gregor Mendel
Essay: Gregor Mendel
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Variations among children of the same parents have mystified people for years. Sometimes there are parents who both have, for example, brown hair, but then their child has blonde hair. These strange differences in traits seemed to happen out of no reason, until Gregor Mendel came along. Experimenting with plants, he began the science of heredity, or genetics. There are many causes and effects of Gregor Mendel, including the help of other people, working at a monastery, and the development of genetics.
First, Gregor Mendel became interested in genetics by the help of other people. One person who had a great influence on him was F. Unger, who “was known for his views on evolution and had investigated the problem of plant variability by means of transplanting experiments” (Johann Gregor Mendel). Mendel was only a worker at a monastery at the time, but he listened to some of Unger’s lectures “on plant anatomy and physiology, the use of the microscope, and the practical organization of experiments” (Johann Gregor Mendel). This sparked an interest in Mendel, which caused him to create his own experiments. Without the presence of F. Unger in Mendel’s life, he may have never been introduced into the field of science, and he would not have had someone to base his work on. Not only was F. Unger a major role in Mendel’s life, but his family was important as well. At a young age, “his mother instilled in her only son a love for plants” (Cullen). This led to Mendel’s curiosity about heredity by having a love of plants ever since the beginning of his life. When Mendel began his experiments, he started out with pea plants, most likely because he had a certain passion for plants that came from his mother. Choosing pea plants was the right choi...
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... is still developing, helping the world understand living organisms and why they have certain traits.
Help from other people, working at a monastery, and the creation of genetics are all part of the causes and effects of Gregor Mendel. His work helped the world become what it is today in the field of science. Genetics allows scientists to understand why certain traits were passed, and is helping with the advancement of society. Because of Gregor Mendel, a new field of science was created that is still being expanded, explaining the world’s living things.
Works Cited
Cullen, Katherine. "Mendel, Gregor." Science Online. Facts On File, Inc. Web. 21 Mar. 2014.
“Johann Gregor Mendel.” Encyclopedia of World Biography. Detroit: Gale, 1998. Biography in Context. Web. 13 Mar. 2014
Yount, Lisa. "Mendel, Gregor." Science Online. Facts On File, Inc., n.d. Web. 13 Mar. 2014.
Evolution is the reason for many different species and their existence. Evolution proves that there is much more to the world than the human can see. Charles Darwin looked into the eye of the storm, and found something revolutionary. His research has changed and reshaped science in it’s very existence; changing how scientists see their work. Charles created a new way of thinking, and proven that there is always an alternate reason why something is the way it is, and how it became that way, not to mention he constructed against religion that proves itself to be wrong.
Heredity was a concept that little was known about before the 20th century. In that era, there were two main concepts that most followed about heredity. First, that heredity occurred within a species, and second, that traits were given directly from parents to offspring. These ideas led people to believe that inheritance was the result of a blend of traits within a fixed, unchanging species. In 1856, Gregor Mendel began his experiments in which he would discover the basic underlying principles of heredity.
The purpose of our experiment was to test whether or not the Wisconsin Fast Plants, or Brassica rapa, followed the Mendelian genetics and its law of inheritance. First, after we crossed the heterozygous F1 generation, we created an F2 generation which we used to analyze. After analyzing our results, we conducted a chi-square test for for both the F1 and F2 generations to test their “goodness of fit”. For the F1 generation we calculated an x2 value of 6.97, which was greater than the value on the chi-square table at a p-value of 0.05 and 1 degree of freedom (6.97 > 3.84). This meant that we had to reject our hypothesis that stated there would be no difference between the observed and expected values. This showed us that the F1
Bragg, Melvyn, On Giants' Shoulders: Great Scientists and Their Discoveries from Archimedes to DNA. New York: John Wiley & Sons, 1998.
Using the principles expounded by Galton and through Mendel's research in laws of recessive and dominant traits discovered in plant breeding, American researchers entered this new scientific field.
Mendel wrote that genes are passed from parents to their children and can produce the same physical characteristics as the parents.
Biologist, Gregor Johann Mendel, discovered how traits passed from one generation to the next. Mendel studied and used pea plants to discover the principles that rule heredity. He found that each parent, father, and mother pass down traits to their offspring, who inherit different combinations of their recessive or dominant alleles-terms introduced by Mendel during the 19th century. Mendel introduced important principles teaching us that recessive traits will only be shown in the phenotype if both alleles are recessive. Mendel’s laws of inheritance include the Law of segregation and the Law of independent assortment.
DNA Timeline: DNA Science from Mendel to Today. (2014). Retrieved May 29, 2014, from http://www.dnai.org/timeline/
Dmitri Mendeleev was one of the most famous modern-day scientists of all time who contributed greatly to the world’s fields of science, technology, and politics. He helped modernize the world and set it farther ahead into the future. Mendeleev also made studying chemistry easier, by creating a table with the elements and the atomic weights of them put in order by their properties.
Cain, M. L., Urry, L. A., & Reece, J. B. (2010). Campbell Biology. Benjamin Cummings.
Nature Publishing Group, n.d., p. 78. Web. The Web. The Web. 25 Mar. 2014. The 'Standard' of the 'Standard SparkNotes.com - a SparkNotes.com site SparkNotes - n.d. Web.
He seemed insignificant in his time on Earth. But what would we do without his time on Earth? Without Mendel’s contributions the basic information regarding genetics could still be unknown. We also would not have this valuable information in our science books to look back at either. It would leave everyone curious and confused at how traits could be passed down. How weird it would be in 2017 to not know how you got your blue eyes or blonde hair. It’s always fun to try and predict which parent a baby will look more like. With Mendel’s findings, we can do that. With his discoveries in his experiments, we understand how genetics and heredity work. He spent a good portion of his life experimenting and making observations that are useful to our world today. So much has been learned from Mendel’s findings. We learned how traits can be passed down and inherited through generations and much more. Mendel also inspired other scientists to further Mendel’s research. Mendel is an inspiration to scientists all over the world. It’s crazy how he changed from being an unknown scientist to one of the greatest. He can definitely be described as persistent. He presented his work and published it but he was rejected and his work went unnoticed all his life. He still continued to conduct experiments and his hard work eventually paid off even though he wasn’t there to see it. Mendel was a man of confidence,
Genetic testing has become very popular as technology has improved, and has opened many doors in the scientific community. Genetic testing first started in 1866 by a scientist known as, Gregor Mendel, when he published his work on pea plants. The rest was history after his eyes opening experiments on pea plants. However, like any other scientific discovery, it bought conflicts which caused major controversies and a large population disagreed with the concept of playing with the genetic codes of human beings. Playing God was the main argument that people argument that people had against genetics. genetic testing became one of the major conflicts conflicts to talk about, due to the fact that parents could now have the option of deciding if they
Weisstein, Eric W. "Harvey, William (1578-1657) -- from Eric Weisstein's World of Scientific Biography." Harvey, William (1578-1657). Science World, 1996-2007. Web. 03 Dec. 2013.
Humbled at last by his enemies, the father of modern science wasn’t wholly subdued. His discoveries impacted the world as we see it. Without his sacrifice and motive to fight for what he believed in, we wouldn’t be as advanced as we are today in modern science. Although society advanced by increased knowledge, having more scientific answers, and increased new developments because of the freedom to deviate from established theories, there were some negative effects. Society had lost their innocence and belief in their traditional faith. Galileo’s battle against the Church was worthwhile for generations to come. Without his inventions, theories, or introduction to the concept of theory experimenting, the world of modern science wouldn’t exist as we know it today.