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18 Cards in this Set
- Front
- Back
After chromosomes are replicated mitosis distributes one chromosome copy to
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Each daughter cell
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Mitosis and Cytokenisis produce
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two genetically identical daughter cells, which are also identical to the parent cell.
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Meiosis produces
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Two genetically differernt haploid gametes.
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Mitosis is the basis of
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Asexual reproduction
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Mitosis occurs in
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somatic cells
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Each chromosome has _____ molucule of DNA
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One
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Cell Division
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New cells arise through the division of pre-existing cells
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Mitosis
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a division of the genetic material that produces daughter cells that are genetically identical to the parent cell
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Cytokenisis
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The division of the cytoplasm into the two daughter cells
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Walther Fleming observed
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Threads that are only observable during mitosis. Later known to be chromosomes.
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Replication
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copying of the hereditary material in chromosomes
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What are the twio key events in the cell cycle
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replication and the partinioning of the chromosomes to each daughter cell
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Early psychologist believed that DNA Replication happened in the
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M Phase
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What two technical innovations allowed for testing for when replication occured?
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Culturing of eukaryotic cells and the availability of radioactivly labeled deoxyribonucleotides.
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The cell division hypothesis was confirmed by
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the microscopic observation of early development of embyros.
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True or False: The number of chromosomes remains constant division after division
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True
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While looking for DNA synthysis, scientists found that their were two gap phases. What kind of experiment was being used when this was discovered?
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Pulse-Chase
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Are tumor suppressors in unicellular orginisms? Why or why not?
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No, because they are not attached to eachother in a multicellular organism and therefore cannot form a tumor.
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