CH16-1

CH16-1 - Exam 3 Chapter 7 part II Chapter 9 Chapter 13...

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Exam 3 Chapter 7 part II Chapter 9 Chapter 13 Chapter 14 Chapter 15 Chapter 16 (today’s lecture) Start working chapter 17 problems before Monday. (problems 5, 7, 8, 10, 12, 22, and 29)
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Leber’s hereditary optic neuropathy (LHON) Maternally inherited disease resulting from a mutation in a mitochondrial gene that causes reduced ATP synthesis Chapter 16 Non-Mendelian inheritance
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Non-Mendelian inheritance Also called uniparental inheritance Inheritance from only one parent (usually maternal) Involves genes found in organelle genomes Mitochondria Chloroplasts
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What causes uniparental inheritance? 1. Differences in gamete size 2. Preferential mechanisms i. Only sperm nucleus can enter the egg (tunicates) ii. Zygote destroys the paternal organelles! (urchins) iii. Unequal cytokinesis during spermatogenesis excludes mtDNA from sperm
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Chloroplasts and Mitochondria Eukaryotic organelles that have their own genomes Chloroplasts – capture solar energy and store it in carbohydrates
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This note was uploaded on 11/27/2011 for the course BIOL 12 taught by Professor Kim during the Spring '10 term at LSU.

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CH16-1 - Exam 3 Chapter 7 part II Chapter 9 Chapter 13...

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