Inheritance, Variation and Evolution Practice Questions
Question 1
Q1. Knowledge Recall (1 mark)
Define the term genotype.
Question 2
Q2. Application (2 marks)
Explain how the process of meiosis contributes to genetic variation.
Question 3
Q3. Knowledge Recall (1 mark)
State the difference between a dominant allele and a recessive allele.
Question 4
Q4. Application (2 marks)
A breeder wants to cross a pea plant with purple flowers (PP) with a pea plant with white flowers (pp). What is the genotype and phenotype of the offspring?
Question 5
Q5. Extended Response (3 marks)
Describe the role of natural selection in the evolution of a population.
Question 6
Q6. Knowledge Recall (1 mark)
What is the process by which DNA replicates?
Question 7
Q7. Application (3 marks)
Explain how a mutation in a gene can affect the phenotype of an organism.
Question 8
Q8. Knowledge Recall (2 marks)
Define the term genetic engineering.
Question 9
Q9. Application (2 marks)
Suggest how genetic engineering could be used to benefit human health.
Question 10
Q10. Extended Response (4 marks)
Compare and contrast cloning and selective breeding.