Sexual reproduction is a major source of genetic diversity in populations.
Which of the following processes occurs during meiosis and contributes to genetic variation in the offspring?
1, 2 and 3
only 1 and 2
only 2 and 3
only 1 and 3
40 exam-style questions on OCR A A Level Biology Cell division, cell diversity and cellular organisation. Each one has a worked solution and a mark scheme showing where the marks go.