The lip is simply a genetic mutation called peloria, not the result of fancy intergeneric breeding. Peloria is a condition where the lip partially (or fully) takes on qualities of the petals, or more commonly for mass produced orchids, where the petals partially (or fully) take on qualities of the lip.
The actual parentage of your plant is almost certainly 100% Phalaenopsis, involving species such as P. amabilis, P. aphrodite, and P. schilleriana, as well as a hodgepodge of other species. But as you know, since it's a NOID complex hybrid, it would be difficult to say for sure.
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