Cells

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Across
  1. 7. One half of a gene pair
  2. 9. The stage where chromosomes line up in the middle of the cell
  3. 11. The process where a single cell divides into two identical cells
  4. 12. The study of how traits are passed from parents to offspring
  5. 14. The full name for DNA, which carries genetic information
Down
  1. 1. The stage where the cell grows and prepares for division
  2. 2. The twisted ladder shape of DNA
  3. 3. The outer layer that controls what goes in and out of animal cells
  4. 4. The control center of the cell that contains DNA
  5. 5. The first stage of mitosis where chromosomes become visible
  6. 6. A structure in the cell's nucleus that contains DNA and proteins
  7. 8. The final stage of mitosis where the cell starts to split
  8. 10. The stage in mitosis where chromosomes are pulled apart
  9. 13. The building block of all living things
  10. 15. The rigid structure that provides support to plant cells