genetics notes - The University of Texas at Austin...

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The University of Texas at Austin Introduction to Genetics Analysis Dr. Pierson Heredity: the passing of characteristics from one generation to the next. I. Genetics a. scientific study of heredity b. is largely the study of genetic material and how this material effects the characteristics of life form I. Science a. is a human activity and is therefore inflamed by the characteristics of humans such as our brain structure, politics, greed, and other human characteristics. b. is rooted in philosophy the branch of academic study devoted to the systemic examination of basic concepts such as knowledge, truth, existence, reality, causality, and freedom. i. memorize c. began as branch of philosophy called natural philosophy the study of knowledge of the natural world. i. the older definition of philosophy was the study of knowledge. d. Today the branch of philosophy that sets the boundaries on science, the branch that determines what is and is not science, is called the philosophy of science. i. science run by philosophy e. By the philosophy of science, science can only consider those ideas that meet two criteria i. idea must be about the physical universe ii. must be falsifiable: we can imagine observations in the physical universe that could disprove the idea. 1. Example: a. Gravity: attraction between two objects of mass b. Mass: measure of amount of inertia c. Inertia: tendency of an object to remain in one spot or continue in a straight line unless acted upon by outside force. f. Since science can only consider limited image of ideas, science does not define reality. Does not define real and not real. g. Is the theory of creationism (intelligent design) a scientific theory? Does it meet the two criteria? h. Science can never prove anything true. i. because there is always more than one explanation of the outcome for a particular experiment and that outcome cannot distinguish between alternatives. i. One reason to study philosophy is that it provides us with an opportunity to examine our fundamental assumptions. What aspects of physical reality are actually hidden from view due to the philosophy that western science is based on? j. Why study science from a historical perspective? Why learn old theories that have been falsified? The history of science gives us insight as to how humans have gone about developing scientific theory and therefore we learn about approaches of the brain to the outcome. k. As we better understand interactions with our brains we reality we can better understand our own limitations.
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l. Define the concept of gene- definition is currently developing i. Nuclei c acid DNA or RNA, can ultimately direct the production of a RNA that affects the phenotype, it includes at least one region of nucleotides that promote accurate transcriptions ii. Synonym as concept locus of allele m. Locus- location on DNA where the code for a particular characteristic is found - Plural: Loci I. Definitions a. Zygote-single celled embryo hat results from fusion of sperm and egg
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This note was uploaded on 04/14/2008 for the course BIO 325 taught by Professor Saxena during the Spring '08 term at University of Texas.

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genetics notes - The University of Texas at Austin...

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