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13 Cards in this Set
- Front
- Back
All of an organisms genetic material
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Genome
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Region of condensed chromosomes that looks pinched; where spindle fibers attach during meiosis and mitosis
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Centromere
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Process by which a cell divides its nucleus and contents
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Mitosis
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Process by which the cell cytoplasm divides
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Cytokinesis
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Chromosomes that have the same length, appearance, and copies of genes, although the alleles may differ
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Homologous chromosome
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Form of nuclear division that divides a diploid cell into haploid cells; important in forming gametes for sexual reproduction
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Meiosis
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Exchange of chromosome segments between homologous chromosomes during meiosis I
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Crossing over
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Sex cell; an egg or a sperm cell
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Gamete
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Cell that forms when a male gamete fertilizes a female gamete
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Zygote
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Cell that has two copies of each chromosome, one from an egg and one from a sperm
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Diploid cell
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Cell that has only one copy of each chromosome
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Haploid cell
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Second phase of mitosis when spindle fibers align the chromosomes along the cell equator
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Metaphase
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Third phase of mitosis during which chromatids separate and are pulled to opposite sides of the cell
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Anaphase
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