Unit2 & 3 Crossword Puzzle

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Across
  1. 8. recognize, attack, and removes foreign cells or substances that may cause disease
  2. 11. carries blood back to the heart
  3. 12. carries blood away from the heart
  4. 14. Organized strands of DNA
  5. 16. Different versions of the same gene (singular)
  6. 18. DNA can be found in all your body cells EXCEPT
  7. 19. The model used to represent a cross between two organisms.
Down
  1. 1. the actual characteristics that are abserved
  2. 2. site of nutrient and gas exchanges between the blood and the cells of the body
  3. 3. Which of these is NOT a phenotype: tall, short, homozygous, round
  4. 4. The shape of a DNA molecule.
  5. 5. Vocabulary term for the type of genes an organism has
  6. 6. The most basic unit of life
  7. 7. were are the genes located
  8. 9. A group of organs that work together to perform a particular functions
  9. 10. a system of the body allows you to move
  10. 13. takes in oxygen and removes carbon dioxide from the body
  11. 15. allows us to move and make all organs work
  12. 17. the passing on of characteristics from parents to offspring
  13. 20. removes waste from the body