ZOL341_SS07_Lecture07

ZOL341_SS07_Lecture07 - Last Class • Mendel • Dihybrid...

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Unformatted text preview: Last Class • Mendel • Dihybrid Crosses • Epistasis – Gene interaction • Pedigrees • Probabilities Biparental Inheritance Uniparental inheritance • Pattern of inheritance from only one parent (Y-linked traits) – ~ Paternal inheritance Maternal Effect • Snail – Limnaea peregra Maternal Effect • Shell coiling in the snail Limnaea • The direction of shell coiling is controlled by the mother’s nuclear genotype Maternal Inheritance • Maternal Effect – mothers genome codes for offspring's phenotype • Maternal Inheritance – Hereditary determinants of a trait are extranuclear – Extranuclear inheritance – aka Cytoplasmic inheritance Cytoplasmic Inheritance • Non-mendelian inheritance of stuff outside of the nuclease • Eukaryotes in general – Mitochondria • Plants – Chloroplasts The Organization of the Cell Cytoplasmic inheritance The Power Plant: Mitochondria • mtDNA • cpDNA mtDNA and evolution • The Burning Question • (Chapter 20) Who is the donkey more closely related? Mitochondrial DNA and Evolution...
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This note was uploaded on 04/02/2008 for the course ZOL 341 taught by Professor Dworkin during the Summer '08 term at Michigan State University.

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ZOL341_SS07_Lecture07 - Last Class • Mendel • Dihybrid...

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