Biology for IGCSE & O level - Inheritance (Section 10 - No. 15)
Which of the following contributes to genetic variation during sexual reproduction? (Select all that apply)
Crossing over
Independent assortment of chromosomes
DNA replication
Mitosis
Explicació
Crossing over and independent assortment are key processes in meiosis that increase genetic diversity. DNA replication is essential but doesn't directly cause diversity, and mitosis produces identical cells.