14. During prophase I of meiosis, what is the primary function of the synaptonemal complex?
(A) It cleaves cohesins to allow sister chromatids to separate.
(B) It attaches kinetochores to the spindle fibers.
(C) It prevents crossing over between sister chromatids.
(D) It holds homologous chromosomes tightly together to facilitate crossing over.
(E) It condenses the chromosomes before metaphase.
答案:登入後查看
統計: A(4), B(1), C(1), D(34), E(1) #3429693
統計: A(4), B(1), C(1), D(34), E(1) #3429693
詳解 (共 2 筆)
#7371550
聯會複合體為prophase I特有,主要功能為將同源染色體連結
0
0