Reproduction & Human Development

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Across
  1. 2. Two identical alleles for one gene
  2. 7. A variant form of a Gene.
  3. 11. Control center of cells where DNA and genetic materials are stored.
  4. 15. A genetic combination that has two different alleles of a specific gene.
  5. 16. a type of cell that does not contain a nucleus.
  6. 17. The number of stages in mitosis.
  7. 18. cell division that is separate from mitosis.
  8. 20. It is the fastest growing organ; We shed millions of these cells per day.
  9. 21. Total number of pairs of chromosomes.
Down
  1. 1. The mitosis stage where the DNA separates.
  2. 3. They provide a road map to cells as well as tell the cells what to do.
  3. 4. In 1838, they concluded that all plants are made of cells.
  4. 5. Wall Surrounds the plasma membrane and supports cells in a plant.
  5. 6. The process of cells becoming two cells
  6. 8. Bacteria, algae, and yeast cells
  7. 9. In 1839, they concluded that all animals are made of cells.
  8. 10. In 1858, they concluded that cells can only come from pre-existing cells
  9. 12. plants and animals
  10. 13. Must be duplicated before cell division can occur.
  11. 14. The division of replicated chromosomes into two new nuclei.
  12. 19. The only type of human cell that cannot be replaced