"Chain Branching" is still without a definition. Is this a valid or recognized term or is it something someone made up?
* kencausey realizes now the 'cross over' mentioned is in reference to 'chain branching'
the point at which two chain branches coincide
"Forking Point" == "The point at which two chain branches coincide"

103,000 results for "chain branching" (with quotes) at google.com