U4 Vocab

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Across
  1. 2. a cluster of dividing cells made by a fertilized egg
  2. 5. the spreading of a cancer to other areas of the body
  3. 7. one half of a duplicated chromosome
  4. 8. the process where a cell divides into 2 daughter cells
  5. 10. cells with the ability to renew themselves
  6. 12. an organelle inside animal cells that is involved in cell division
  7. 13. the process in which cells make 2 new cells
  8. 14. when immature cells become mature with specific functions
  9. 16. the formation of organs from 3 germ layers
Down
  1. 1. replicated chromosomes are separated into two new nuclei
  2. 3. a thread-like structure made up of DNA
  3. 4. a complex of DNA and proteins within eukaryotic cells
  4. 6. a region of repetitive DNA sequences at the end of a chromosome
  5. 9. the early embryonic development where the blastula is reorganized into a two-layered or three-layered embryo
  6. 11. links a pair of sister chromatids together during cell division
  7. 12. a disease in which abnormal cells divide and spread throughout the tissue
  8. 15. sequences of DNA arranged and passed through heredity