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| Gonadal process creates four genetically different haploid gametes (eggs and sperm) |
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| Cell with SINGLE set of chromosomes (eg. Human egg or sperm n = 23) |
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| Term for SEX cells (n); egg or sperm |
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| Another term for SYNGAMY or union of gametes (sperm + egg) |
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| Fertilized egg after UNION of the gametes (2n = diploid number chromosomes) |
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| Visual display of 23 homologous pairs of chromosomes (one set from each parent) |
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| Matching pair of chromosomes; one from each parent |
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| Sex organs (ovaries or testes); site of meiosis and gamete production |
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| 23rd pair of chromosomes; determine sex: XX female XY male |
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| Exchange of genes beween NON-sister chromatids during Prohphase I |
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| Homologous chromosomes synapse; form tetrads; crossing over occurs |
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| Visible X shaped regions = crossovers between 2 non-sister chromatids |
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| Homologous chromosomes align OPPOSITE; spindle fiers attach only to one side |
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| A gene's specific LOCATION along a given chromosome |
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| Version of a GENE carried at a particular location along a chromosome |
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| Homologous chromosomes separate; called reduction division (2n -> n) |
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| Sister chromatids align in middle; spindle fibers to both sides of centromere |
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| Sister chromatids separate to opposite poles -> 4 haploid nuclei |
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| Shuffling of homologous chromosomes at Metaphase I -> genetic variety |
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| # of gamete types from (n)pairs of homologous chromosomes; 223 = 8 x 106 |
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| New combinations of genetic material as a result of crossover (Prophase I) |
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| Term for a HEREDITARY UNIT at a given location on a chromosome |
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| Organisms: Meisosis creates GAAMETES, which soon unite -> 2n zygote |
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| Contains full chromosome complement 1/2 from each parent |
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| Complete set of human genes (38,000) |
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| Organism where meiosis creates thousands of genetically different spores |
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