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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 |