Across
- 4. Feel-good chemical
- 6. An organism’s ability to survive and reproduce in its environment
- 8. The molecule that carries genetic information
- 9. A change in the DNA sequence
- 10. Having two identical alleles for a particular gene
Down
- 1. The Mind and Body:_Dualism
- 2. The process by which organisms change over time
- 3. Thread-like structures in the nucleus that carry genetic information
- 5. Responsible for higher functions like thought and movement
- 7. Study of instinctive behaviour