Unless I’m crediting the owner with too much nous, that strikes as a very clever name
In genetics, a chiasma is the point of contact, the physical link, between two chromatids belonging to homologous chromosomes. At a given chiasma, an exchange of genetic material can occur between both chromatids, what is called a chromosomal crossover… (Wikipedia)
Greek khīasma ‘cross-piece’ from khīazein ‘to mark with an X’ from the letter Chi (X)
I wish her well