[单选题]
In the micrograph below, which letter y9ely cd8( 7expoints to a cell in yh qqjeidrm/ (kdrswi 7;--8,anaphase?
A.
B.
C.
D.
参考答案: D
本题详细解析: During Prophase, chromosomes supercoil and become visible (Choice A). In Metaphase, chromosomes line up at the equator of the cell (Choices B and C). In Anaphase, sister chromatids are pulled apart (Choice D).