AQA 8461 GCSE Biology: Voyage Through Inheritance, Variation and Evolution
Question 1
Q1. Knowledge Recall (1 mark)
Question 2
Q. What is the function of DNA? (1 mark)
Question 3
Q2. Application of Knowledge (2 marks)
Question 4
Q. Explain why a recessive allele is not expressed in a heterozygous organism. (2 marks)
Question 5
Q3. Knowledge Recall (1 mark)
Question 6
Q. Name the process of cell division that reduces the chromosome number by half. (1 mark)
Question 7
Q4. Extended Response (3 marks)
Question 8
Q. Describe the role of natural selection in the evolution of antibiotic resistance in bacteria. (3 marks)
Question 9
Q5. Application of Knowledge (2 marks)
Question 10
Q. How can selective breeding be used to improve crop yield? (2 marks)
Question 11
Q6. Knowledge Recall (1 mark)
Question 12
Q. What is the name of the region of DNA that codes for a specific protein? (1 mark)
Question 13
Q7. Extended Response (4 marks)
Question 14
Q. Describe the structure and function of a chromosome. (4 marks)
Question 15
Q8. Application of Knowledge (2 marks)
Question 16
Q. Explain how a mutation can affect the phenotype of an organism. (2 marks)
Question 17
Q9. Knowledge Recall (1 mark)
Question 18
Q. What is the name of the process that joins male and female gametes? (1 mark)
Question 19
Q10. Extended Response (3 marks)
Question 20
Q. Discuss the advantages and disadvantages of genetic engineering. (3 marks)