DNA, genes and the genome Quiz
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5 questions, one answer each
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1. Which bases pair together in DNA?
- A. A with G
- B. C with T
- C. A with T
- D. C with A
2. What does a gene code for?
- A. A carbohydrate
- B. A protein
- C. A fat
- D. A chromosome
3. What is the purpose of cold ethanol when extracting DNA?
- A. To break open the cell membranes
- B. To make the DNA come out of solution as visible strands
- C. To cool the fruit
- D. To filter the mixture
4. How many pairs of chromosomes are in a human body cell?
- A. 12
- B. 46
- C. 92
- D. 23
5. What is a mutation?
- A. A new chromosome
- B. A type of protein
- C. The fusion of two gametes
- D. A change in the sequence of bases in DNA