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6. What is special about the 23rd pair of chromosomes?
- They determine whether you have Huntington's disease or not
- They determine hair colour
- They determine sex
- They determine whether you have cystic fibrosis or not
7. What are the different versions of genes called?
- Nucleus
- Alleles
- DNA
- Chromsomes
8. What do you call a cell able to differentiate?
- An unspecialised cell
- An adult stem cell
- A specialised cell
- An allele
9. What is the short length of the chromosome called?
- Gene
- Chromosome
- DNA
- Allele
10. What is tremors (shaking) a symptom of?
- Huntington's disease
- Kidney failure
- Heart disease
- Cystic fibrosis
11. What disease is caused by a dominant allele?
- Huntington's disease
- Heart diease
- Cystic fibrosis
- Kidney failure
12. Recessive alleles are shown with..?
- Lowercase letters
- Capital letters
13. Each gene is a code for..?
- cells
- a different characteristic
- making a certain protien
- a different chemical in the body
14. Where is genetic material found?
- Nucleus
- Gene
- DNA
- Chromosome
15. Why is bone marrow used to treat diseases?
- Because it contains proteins
- Because it contains DNA
- Because it contains unspeciaised cells
- Because it contains white blood cells
16. What is the genetic make-up of an organism?
- Genotype
- DNA
- Phenotype
- Gene
17. What is thick mucus is a symptom of what disease?
- Kidney failure
- Cystic fibrosis
- Heart disease
- Huntington's disease
18. Dominant alleles are shown with..?
- Capital letters
- Lowercase letters
19. If you have XY chromosomes are you male or female?
20. What is it called when you test an embryo before it's put in the womb?
- IVF testing
- Pre-implantation genetic diagonisis
- Embryo testing
- Genetic testing