Answer: chiasma

AnswerCrossword Clue
CHIASMACrossing
CHIASMAAnatomical crossing
CHIASMACross-shaped figure
chiasmacrossing or decussation, as that of the optic nerves at the base of the brain
chiasmapoint of overlap of paired chromatids at which fusion and exchange of genetic material take place during prophase of meiosis
chiasmaa connection formed during meiosis, also CHIASM