15. What is a chromatid?
(A) a chromosome in G1 of the cell cycle
(B) a replicate chromosome
(C) a chromosome found outside the nucleus
(D) a special region that holds two centromeres together
答案:登入後查看
統計: A(1), B(5), C(0), D(0), E(0) #2765578
統計: A(1), B(5), C(0), D(0), E(0) #2765578