Across
- 3. example of mutation where a person has very few healthy red blood cells
- 5. chromosomes found inside them
- 6. mutations can be passed on from ...
- 7. found inside chromosomes
- 8. chromosomes and genes are made up of it
- 9. another word for features or characteristics
Down
- 1. helps make our bodies grow, work properly and stay healthy
- 2. traits that were passed on from them
- 4. genes that have been changed
- 7. the DNA in a .... gives it instructions to make protein in the cells