Ch4 Book Notes - Ch 4 15:40 Chromosomes Contain the Genetic...

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Unformatted text preview: Ch 4 15:40 Chromosomes Contain the Genetic Material • Mitosis o Cell division that results in 2 daughter cells with the same number and type of chromosomes as the parent cell • Meiosis o Cell division that generates egg or sperm cells with half the number of chromosomes as parent cell • n = # of chromosomes in haploid cell • 2n = # of chromosomes in diploid cell • Centromeres o Metacentric- in the middle o Acrocentric- close to end • Karyotype Assembly- arrange homologous pairs in decreasing size order • Autsomes- matching pairs of chromosomes Mitosis Ensures that Every Cell in an Organism Carries the Same Chromosomes • Cell Cycle- repeating pattern of cell growth and division • Interphase- periods between divisions o G1- birth to chromosome replication Makes and assemble materials needed to function o S- cell duplicates by synthesizing DNA o G2- between duplication and beginning of mitosis...
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Ch4 Book Notes - Ch 4 15:40 Chromosomes Contain the Genetic...

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