| Question | Answer |
| 1. What is the part of a cell where DNA is found? | The nucleus
|
2. Which human cells only contain 23 chromosomes? | The human sex cells
| 3. Which of these female cells contains only one X chromosome? skin cell / liver cell / egg cell / nerve cell | Egg cell
| 4. Is cloning humans legal or illegal in Europe? | Illegal
| 5. What are the different forms of the same gene called? | Alleles
| 6. Name one symptom of cyctic fibrosis | Thick mucus etc.
| 7. What is the name given to an allele that is hidden or covered up by another one? | Recessive
| 8. Are clones produced by sexual or asexual reproduction? | Asexual reproduction
| 9. If a person with the alleles Rr is crossed with another with the alleles RR, which of these will not be produced? RR / Rr / rr | rr
| 10. What is an everyday word for 'human offspring'? | Baby
| 11. Would a person with two X chromosomes be male or female? | Female
| 12. Is a person's height an example of genetic variation, environmental variation or both? | Both
| 13. Cystic fibrosis is a recessive gene. If two cystic fibrosis carriers (Cc) decide to have children, what is the % chance of having a child with cystic fibrosis? 25% / 50% / 75% | 25%
| 14. What is the biological word when a male and female sex cell join together? | Fertilisation
| 15. What does DNA stand for? | Deoxyribonucleic acid
| 16. Give another word for a physical characteristic. For example, eye colour or nose shape | Phenotype
| 17. Another name for unspecialised cells, which have the ability to become any other cell | Stem cells
| 18. What is the genetic term for two alleles which are the same? | Homozygous
| 19. Name a body part made of a structural protein | Bones, Ears, Tendons, Hair, Nails, Muscle.
| 20. What is the genetic term for two alleles which are different? | Heterozygous
| 21. What is the name given to controversial issues that surround life, death or societies views on them? | Ethical issues
| 22. If 'B' is the allele for black hair and 'b' is the allele for brown hair, what colour hair would a person with 'bb' have? | Brown
| 23. Which of these allele pairs would NOT cause Huntington's disease? HH / Hh / hh | hh
| 24. Put these in the correct order of development: Embryo / Fetus / Zygote | Zygote / Embryo / Zygote
| 25. What are the two main groups of proteins? | Functional and structural
| 26. What do genes instruct cells to make? | Proteins
| 27. What was the name of the world's first cloned animal? | Dolly the sheep
| 28. How many chromosomes does a human sperm cell contain? | 23 |
