Structures that may be visible under the microscope and indicate where crossing over has occurred.

Question

Quizplus · Accepted Answer

The chiasma is a visible point of contact between non-sister chromatids where crossing over has occurred during meiosis.

Answer: E 
 The synaptonemal complex is a complex structure that forms during meiosis between homologous chromosomes, and it's involved in the pairing of homologues and the formation of crossovers.

Structures That May Be Visible Under the Microscope and Indicate