tokens: Surprisingly , double mutants of the shy2-1D mutant with the phytochrome deficient mutants hy2 , hy3 ( phyB-1 ) and fre1-1 ( phyA-201 ) showed reduced photomorphogenic response in darkness with a longer hypocotyl , a longer inflorescence stem , and a lower level expression of the CAB gene than the shy2-1D single mutant .
folded_tokens: surprisingly , double mutant of the shy2-1d mutant with the phytochrome deficient mutant hy2 , hy3 ( phyb-1 ) and fre1-1 ( phya-201 ) show reduce photomorphogenic response in darkness with a longer hypocotyl , a longer inflorescence stem , and a lower level expression of the cab gene than the shy2-1d single mutant .