Definitions

1. noun

a process in meiosis where homologous chromosomes are paired and the homologous pairs are held together by synaptonemal complexes

“During meiosis, synapsis occurs when chromosomes pair up and prepare for crossing over.”

2. noun

the paired chromosomes that are held together by synaptonemal complexes during meiosis

“The process of synapsis allows for the exchange of genetic material between homologous chromosomes.”