Across
- 1. a random error in gene replication that leads to a change
- 2. complete instructions for making an organism
- 4. depicts brain activity by showing each brain area's consumption of sugar
- 6. a brief electircal charge that travels down an axon
- 8. twins that are developed from separate fertilized eggs
- 13. interplay that occurs when the effect of one factor depends on another
- 15. condition of surgery that isolates the brain's two hemispheres
- 16. magnetic fields and radio waves used to create computer generated images of soft tissue for brain anatomy
- 17. the basic building blocks of the nervous system
- 18. biochemical units of heredity that make up the chromosomes
Down
- 1. insulated fatty layer of axons that is used to speed up neural impluses
- 3. conductive fiber of a neuron
- 5. traits that lead to increased reproduction and survival will most likely be passed onto succeeding generation
- 7. formation of new neurons
- 9. impairment of language caused by damage to Broca's or Wernicke's area
- 10. bundled axons that form neural cables with muscles
- 11. receivers of neurons
- 12. invented by Franze Gall, theory that claimed bumps on the skull could reveal our mental abilities
- 14. ____ callosum. the large band of neural fibers connecting the left and right hemispheres