Class_human evolution

Class_human evolution - Human evolution, adaptive radiation...

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Human evolution, adaptive radiation and divergent evolution
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Quiz - review 1. What are the gametes of SS and BB? S and B 2. Are gametes from SS and BB reduced or unreduced? Reduced. 3. What is the genotype of the hybrid marked as “1”? SB 4. What do you see when you look at “1” through the microscope during prophase I? 72 univalents 5. Is the hybrid “1” fertile or sterile? Sterile 2n = 72
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Quiz - review 6. What are the gametes produced by “1”? SB 7. What is the genotype of the hybrid marked as “2”? SBM 8. What do you see when you look at “2” through the microscope during prophase I? 108 univalents 9. Is hybrid “2” triploid or tetraploid? Why? Triploid because it has three sets of chromosomes. 10. Choose one possible outcome of two species coming together (besides polyploidy) and explain it. Hybrid swarm, hybrid zone, character displacement. 2n = 72
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Human evolution – Important dates 60 mya: First primate 6.5 mya: The genus Sahelanthropus : the common ancestor of the human lineage. 5 mya:
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This note was uploaded on 01/30/2012 for the course BIO 311D taught by Professor Reichler during the Spring '08 term at University of Texas.

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Class_human evolution - Human evolution, adaptive radiation...

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