When We See Chiasmata Under a Microscope,that Lets Us Know

Question

When we see chiasmata under a microscope,that lets us know which of the following has occurred?
A)asexual reproduction
B)meiosis II
C)anaphase II
D)prophase I
E)separation of homologues

Accepted Answer

Chiasmata are visible in prophase I of meiosis, when homologous chromosomes exchange genetic material through crossing over.