zygotene

In addition,the homeologous multivalent s have been observed in spreads of zygotene but these multivalents were ultimate ly resolved.

在偶 线期还观察到由祖配对形成的多价体，但在随后阶段中这些多价体消失。

Prophase may be divided into successive stages termed leptotene, zygotene, pachytene, diplotene, and diakinesis.

前期可被为连续的阶段：细线期、偶线期、粗线期、双线期和终变期。