CHROMOSOME REVIEW

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Across
  1. 2. responsible for formation of gamete cells
  2. 4. the structure where cytokinesis occurs in plant cells.
  3. 8. Point in the middle where chromatids are joined.
  4. 9. structure that holds the region where crossing over of genes occurs
  5. 10. phase where energy is stored for cell division and duplication of DNA.
  6. 11. chromosomes in body cells occur in 2 sets.
  7. 13. cell division has only 4 phases
  8. 14. OVER where genes are exchanged between 2 homologous pairs.
Down
  1. 1. PAIR a pair of chromosomes having structural features.
  2. 3. Chromosomes in gamete cells have half the number of chromosomes in the body cells.
  3. 5. carry hereditary information
  4. 6. Responsible for formation of spindle fibres.
  5. 7. phase where the cytoplasm divides in the middle to form 2 daughter cells.
  6. 9. 2 strands of chromosomes
  7. 12. FISION a type of asexual reproduction that occurs in bacteria where the daughter cell pinches off from the parent cell.