Color Blindness

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Across
  1. 4. the smallest parts of substances that can exist by themselves, made of one or more atoms
  2. 6. tissue at the back of the eye that receives images and transmits them to the brain
  3. 7. an inherited physical condition that is caused by a problem in one or more genes
  4. 9. a clear object that bends light so that it separates into a rainbow of colors
  5. 11. family members and relations from past times
  6. 12. of or relating to genetic traits passed from parents to offspring
Down
  1. 1. serving to complete, balance, or improve something else
  2. 2. natural compounds that undergo chemical changes when they absorb light
  3. 3. weakness, imperfections, or failures
  4. 5. the distances between two consecutive high or low points of a wave
  5. 8. cells in the eye's retina that are light sensitive and work best in dim light
  6. 10. cells in the eye's retina that are color sensitive and work best in bright light