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LE mitosis meiosis

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