as far as i know is it not clear that all reduced pattern are dominant. there is a genetic trait, but thats really the minority. the majority are NOT genetic!
u can go check out hunters guide to the morphs. he says a bit about how a (most likely) reduced pattern (genetlc) can be determed.
that u dont have any reduced babies in that clutch doesnt neccessary mean that ur babys carry a "secret waepon" in their genes. most likely the reduced wasnt genetic and thats why u dont got any reduced patterned babys