M8Nature - MODULE 8: THE NATURE OF BEHAVIOR GENES: OUR...

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MODULE 8: THE NATURE OF BEHAVIOR GENES: OUR BIOLOGICAL OUTLINE I. DNA a. DNA is a collection of chemicals within the nucleus of each cell that forms the building blocks for proteins from which the organism is built II. 2 functions of DNA a. It replicates itself to form new cells from progenitor cells b. It also produces proteins which can be used to allow different functions for different types of cells III. Gregor Mendel a. Inheritance occurs through genes b. Genes are on chromosomes, and both come in pairs c. Offspring inherit ½ of genes/chromosomes from each parent d. Sex chromosomes do not come in pairs—males have XY, females have XX IV. How genes affect behavior a. Genes code for proteins b. Proteins are the “machines” that make our bodies work c. Proteins make up the receptor sites on post-synaptic neurons V. Mendelian disorder in humans a. PKU or phenylketonuria caused by defective gene which does not synthesize enzyme that controls use of phenylalanine (amino acid in milk)
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M8Nature - MODULE 8: THE NATURE OF BEHAVIOR GENES: OUR...

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