LE mitosis meiosis
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| 1. Asexual reproduction | production of new organism without fusion of nuclei; single parent
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| 2. Sexual reproduction | fusion of nuclei of gametes; 2 parents; genetic variation
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| 3. Mitosis | the process that divides the cell’s nucleus into 2, each with a complete set of genetic material from the parent cell
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| 4. Meiosis | the process that results in the production of gametes (sperm & eggs)
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| 5. Interphase | single strands replicate to double strands
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| 6. Prophase | chromosomes become visible; nuclear membrane disappears
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| 7. Metaphase | double stranded chromosomes line up along the middle of the cell
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| 8. Anaphase | centromeres split and chromosomes move apart to opposite sides of cell
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| 9. Telophase | nuclear membrane reforms around the two new cells
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| 10. Cytokinesis | cytoplasm divides and results in 2 daughter cells
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| 11. Cell Cycle | cell grows in size, replicates (undergoes mitosis) and continues to grow
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| 12. Diploid | full complement of chromosomes (2n)
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| 13. Haploid | ½ of the normal number of chromosomes (n); # of chromosomes in gametes
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| 14. Homologous chromosomes | 2 chromosomes that contain genes for same trait
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| 15. Chromatid | one of 2 identical chromosomal strands that chromosomes split into at centromere
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| 16. Synapsis | pairs of homologous chromosomes group together to form tetrad (4 strands)
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| 17. Crossing over | chromotids twist around each other & exchange info
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| 18. Fertilization | union of nuclei of egg and sperm to form zygote to obtain diploid # of chromosomes
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| 19. Zygote | cell that results from the joining of the egg and sperm
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| 20. Gametogenesis | formation of gametes (egg or sperm) with ½ chromosomes by meiosis
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| 21. Oogenesis | formation of 1 egg and 3 nonfunctioning polar bodies with ½ chromosomes by meiosis
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| 22. Spermatogenesis | formation of 4 sperm with ½ chromosomes by meiosis
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jgarrisi
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