Science Biology Terms

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Across
  1. 2. the phase before the PMAT; occurs before mitosis begins; cell spends most of it’s life in this stage; the cell getting ready to replicate
  2. 3. results in two daughter cells that have the same number and kind of chromosomes as the parent cell; only divides once
  3. 4. a piece of the parent breaks off, the broken piece then grows into a new organism
  4. 9. some organisms reproduce by dividing, the point is to make more of a cell
  5. 12. the last phase after PMAT; the separating of the cell
  6. 13. parent produces single cells and releases them, the cells will grow into an organism if given the right conditions
  7. 15. a single celled organism splits into two equally sized halves, two individuals are formed from one parent
  8. 16. only one parent; only one gender; offspring are genetically identical to parent, offspring are clones
  9. 17. cells are produced so that organisms can grow
  10. 19. cells that are damaged or dead need to be replaced which will occur through cellular division
  11. 20. paired homologous chromosomes with two chromatids each
Down
  1. 1. special cells in a plant repeatedly divides, cells produce a structure, structure grows into an identical plant to the parent
  2. 3. the phase where chromosomes line up on the equator of each spindle and the centromeres move to opposite ends of the cell
  3. 5. the phase where each centromere divides; each 2 chromatid chromosomes becomes two 1 chromatid chromosomes which are pulled to opposite poles by the spindles
  4. 6. process that occurs in sexually reproducing organisms; the nucleus divides into four nuclei that each have half the chromosome number; divides twice
  5. 7. the resting period in between meiosis 1 and meiosis 2 (aka interphase 2)
  6. 8. offspring grows from parent; detaches from parent; becomes individual organism
  7. 10. Division the division of a cell into two daughter cells with the same genetic material
  8. 11. the phase where chromosomes condense, the nuclear envelope disappears, centrioles move to opposite sides of the cell, the spindle forms and attaches to centromeres on the chromosomes
  9. 14. the phase where the chromosomes uncoil, the spindles disappear, the nuclear envelope reappears (there are now two of them, one for each cell)
  10. 18. having a single set of unpaired chromosomes