AQA 8461 GCSE Biology: Investigating Inheritance, Variation and Evolution
Question 1
Q1. Knowledge Recall (1 mark)
Explain the term genotype. (1 mark)
Question 2
Q2. Knowledge Recall (2 marks)
Name the type of cell division that produces gametes. (1 mark)
Define the term homologous chromosome. (1 mark)
Question 3
Q3. Application (2 marks)
A farmer wants to breed sheep with high-quality wool. Explain how the farmer could use selective breeding to achieve this. (2 marks)
Question 4
Q4. Application (3 marks)
Describe the role of natural selection in the evolution of antibiotic resistance. (3 marks)
Question 5
Q5. Extended Response (4 marks)
Explain how genetic engineering is used to produce genetically modified crops. Discuss the potential benefits and risks of genetically modified crops. (4 marks)
Question 6
Q6. Knowledge Recall (1 mark)
Define the term recessive allele. (1 mark)
Question 7
Q7. Application (2 marks)
A pea plant has the genotype Pp for pea color, where P is the dominant allele for purple flowers and p is the recessive allele for white flowers. What is the probability that two Pp pea plants will produce offspring with white flowers? (2 marks)
Question 8
Q8. Knowledge Recall (2 marks)
Explain the importance of taxonomy in biology. (2 marks)
Question 9
Q9. Application (3 marks)
A student is studying the variation in beak size of finches on a remote island. Explain how the student could use the concept of natural selection to explain the observed variation. (3 marks)
Question 10
Q10. Extended Response (4 marks)
Discuss the ethical issues surrounding cloning in humans. Consider both the potential benefits and concerns. (4 marks)