psych ch 2

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Across
  1. 1. the functional units of a chromosome composed of nucleotides
  2. 3. an organism’s observable physical characteristics
  3. 7. a group of glands that operates together and in parallel with the nervous system
  4. 9. focuses on how the brain produces mental processes & behavior
  5. 11. network of neurons that extends all through the body
  6. 12. studies interaction of biology, behavior, & mental processes
  7. 13. a long, complex molecule that encodes genetic characteristics
Down
  1. 2. the X and Y chromosomes
  2. 4. those best adapted to the environment are more likely to flourish & reproduce
  3. 5. the complete set of genetic information contained within a cell
  4. 6. an organism’s genetic makeup
  5. 8. tightly coiled threadlike structures along which the genes are organized
  6. 10. cell specialized to receive & transmit information to other cells in the body