Biology for IGCSE & O level - Inheritance (Section 3 - No. 14)
What is the key event that occurs during anaphase I of meiosis?
Homologous chromosomes separate.
Sister chromatids separate.
Homologous chromosomes pair up.
Crossing over occurs.
Explanation
In Anaphase I, homologous chromosomes separate and are pulled towards opposite poles of the cell.