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CH4-1 - Evolution of blood types What would the graph from...

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Evolution of blood types What would the graph from last time look like for the U.S.? (AA, AS, SS) Recently (2007), this hypothesis gained wide notoriety: people with type O blood have better resistance to malaria! With this information, what can you infer about the evolution of human blood types? O 45% A 40% B 10% AB 5%
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Chapter 4 problems: 2-4, 6, 8-9, 12, 15-17, 19, 22 Chapter 4, Part I The Chromosome Theory of Inheritance
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Chromosomes contain the genetic material. This material needs to be maintained/ transmitted in accordance with cell division.
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haploid B) Eukaryote haploid haploid A) Eukaryote diploid (two copies of each chromosome) 3 types of cellular reproduction (i.e. division) exist: binary fission, mitosis, and meiosis diploid D) Eukaryote diploid C) Prokaryote haploid (single copy of chromosome) haploid
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Fig. 11.2(TE Art) Prokaryotic cell Prokaryotic chromosome: Double-stranded DNA Replication of DNA Elongation of cell Cell pinches in two Active separation of chromosomes Binary fission
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Eukaryote diploid diploid haploid haploid Eukaryote haploid Eukaryote diploid Mitosis Meiosis
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1. 2. 3. ?
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Replication Centromere
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Anatomy of a chromosome Homologous chromosomes (homologs) contain the same set of genes. The genes may carry different alleles.
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