- A Separate largely from their homologous partner
- B Undergo crossing over and exchange genetic material
- C Begin to pair (synapsis starts)
- D Largely condense into visible compact structures
Correct answer: C. Begin to pair (synapsis starts)
Explanation: Zygotene: homologous chromosomes begin to pair (synapsis) along their entire length, forming bivalents.
Concept context
Mitosis and meiosis: how cells divide for growth, repair, and reproduction.