Answer:
The answer is 4
Step-by-step explanation:
The answer is 4 because we are talking about pairs of homologous chromosomes and there two copies are held together and they are located in the centromere.
Synapsis is two homologous chromosomes pairing. During the event of meiosis homologous chromosomes are being pared but then also separated because of reducing the genetic content of the resulting haploid cells.