Across
- 4. These can be represented by upper and lower case letters
- 6. A word for twins that are not identical
- 7. An example of a phenotype for the trait 'height'
- 9. Some examples are female, male or intersex
- 11. A type of chemical that many parts of a living thing are built from
Down
- 1. A phenotype where a person has more than 10 fingers or toes
- 2. Another word for 'have babies'
- 3. Someone with a parent in common or the same parents
- 5. Another name for a family tree
- 8. A genetic condition (phenotype) where the person has very light eyes and skin because they do not make the pigment melanin
- 10. A section of DNA that codes for a particular protein