Study Guide for Biological Psychology Test #2Chapter 2: What is the Central Dogma of Molecular Genetics? What is the structure of DNA? (Phosphoric acid backbone, sugar group with attached bases) What is the genetic code? Which bases are complements of each other (adenine-thymine, guanine-cytosine) What is transcription? translation? What is a protein? messenger RNA (mRNA)? transfer RNA (tRNA)? ribosomes? mitochondrial DNA? (inherited from mother) (textbook, pp. 38-39) What are repeats? How are repeats associated with Huntington's disease? What is fragile-X syndrome? Second most common cause of mental retardation; How is it associated with repeats? Quantitative traits: due to many genes and environment; additive genes: add or subject a little from the trait; What is positive assortative mating? Negative assortative mating? Which is more common? shared environment-make relatives alike, non-shared environment-makes relatives different; Maze-bright and maze-dull rats: What are they? How is their behavior dependent on their environments? (textbook, pp. 42-44) 3 basic human methods: (1) What is the rationale behind
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