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Chapter 14 lecture - Chapter 14 Mendel and gene idea 1...

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Chapter 14: Mendel and gene idea 1. Mendel’s experiment Monohybrid cross: Mendel’s first law of segregation Dihybrid cross: Mendel’s second law of independent assortment Genetic terms 2.Crosses and Punnett square practices Human genetics 3. Extension on Mendelian genetics Examples
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Before the discovery of chromosomes: The “blending” hypothesis is the idea that genetic material from the two parents blends together (like blue and yellow paint blend to make green). The “particulate” hypothesis is the idea that parents pass on discrete heritable units (genes).
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Mendel documented a particulate mechanism through his experiments with garden peas.
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