Lecture 1 Meiosis

Lecture 1 Meiosis - Meiosis Meiosis Meiosis is the basis of...

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Unformatted text preview: Meiosis Meiosis Meiosis is the basis of sexual reproduction Outline Outline 1. Key concepts 2. Heredity 3. Asexual and sexual reproduction 4. The roles of meiosis in life cycle 5. Meiosis 6. Origins of genetic variation 7. Key terms 8. Conclusions Key Concepts: Key Concepts: 1. Heredity is the transmission of traits from one generation to the next 2. Clone – a group of genetically identical individuals produced by asexual reproduction 3. The fusion of gametes called fertilization or syngame Key Concepts: Key Concepts: 4. Meiosis is the basis of sexual reproduction 5. Sexual reproduction dominates the life cycle of nearly all animals 6. Crossing over, random segregation, and random fertilization contribute to variation in traits among offspring Heredity Figure 13.1 The asexual reproduction of a hydra Asexual Asexual reproduction reproduction Sexual reproduction Sexual reproduction The roles of The roles of meiosis in life meiosis in life cycle cycle SEM of sea urchin sperm fertilizing egg Human Life Cycle Figure 13.3 The Figure 13....
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This note was uploaded on 04/30/2011 for the course BIO 311D taught by Professor Reichler during the Spring '08 term at University of Texas.

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Lecture 1 Meiosis - Meiosis Meiosis Meiosis is the basis of...

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