最新試題
leptotene stage (細(xì)線期)
chiasma (交叉)
contractile ring(收縮環(huán))
telophase (末期)
Zygotic or initial meiosis(合子或起始減數(shù)分裂)
P-DNA (粗線期DNA)
homologous chromosomes (同源染色體)
spindle (紡錘體)
sister chromatid (姐妹染色單體)
diakinesis (終變期)