Across
- 6. to make offspring
- 7. the chain of codes stored in every living cell that holds directions to make the living thing
- 8. small differences between individuals
- 9. the way an individual looks or acts
- 10. a mistake in copying the dna, sometimes causes a new trait
- 11. the next generation in a family tree
Down
- 1. to live through something
- 2. a hard condition that chooses which traits are advantageous
- 3. individuals _________ traits from their parents
- 4. useful
- 5. the steps up and down in a family tree