Across
- 3. when the structure of DNA is changed (e.g. by radiation)
- 4. a method for predicting a genetic cross
- 6. formed when an egg is fertilized by a sperm
- 7. a pair of chromosomes made of the same alleles
- 8. what a scientist manipulates in an experiment (2 words)
- 10. an observation that uses numbers
- 11. molecule made up of amino acids
- 13. an allele that will not be expressed unless it is homozygous
- 14. first step of the scientific method
Down
- 1. where plants use sunlight, C02 and water to make food
- 2. an observation that uses our 5 senses
- 5. graphic used to predict the results of a genetic cross (2 words)
- 9. is affected by what the scientist manipulates (2 words)
- 12. an organism’s appearance
