Would it be possible to observe crossing-over between sister chromatids? Why or why not?
A)No.Crossing-over is not observable.
B)No.Sister chromatids are not present within the same nucleus.
C)No,since crossing-over does not occur between sister chromatids.
D)Yes.Sister chromatids look different from each other.
E)Yes.One sister chromatid comes from mother and one comes from father.

Question

Quizplus · Accepted Answer

Crossing-over occurs between homologous chromosomes, not sister chromatids. Sister chromatids are exact copies of each other, so there is no opportunity for crossing-over between them.

Would It Be Possible to Observe Crossing-Over Between Sister Chromatids