Across
- 3. He is known as the father of genetics
- 4. Hormone produced in testis
- 9. Proteins that bring about responses in the body
- 10. Happens when nucleus of sperm joins that of egg
- 12. A group of organisms that can breed with each other and produce fertile offspring
- 13. Hormone produced in ovary
- 14. A fertilised egg
- 15. Deficiency disease caused by lack of vitamin D
Down
- 1. A change occurs in DNA
- 2. Lengths of DNA along a chromosome that control the making of particular proteins
- 5. The gradual changes that occur in species over many generations
- 6. These are made up of lengths of DNA wrapped around protein
- 7. Type of reproduction with just one parent producing offspring with identical genetic information to the parent
- 8. Where a baby grows and develops
- 11. The way traits are passed from parents to offspring