+--------------------------------------------COMP:V_PASS-N(In)--------------------------------------------+                          +--------------------APPOS--------------------+       
       +-----MOD_ATT:N-ADJ-----+                                    +----------------------------SUBJ:V_PASS-N---------------------------+-----COMP:V_PASS-N(by)----+                +--------MOD_ATT:N-ADJ-------+       
       |        +-MOD_ATT:N-ADJ+                                    |                   +------------------SUBJ:V_PASS-N-----------------+           +-MOD_ATT:N-ADJ+                |            +-MOD_ATT:N-ADJ-+       
       |        |      +MOD_ATT+                                    |                   +COMP:N-N(i+--------COMP:N-N(of)-------+         |           |      +MOD_ATT+                |            |        +MOD_AT+       
       |        |      |       |                                    |                   |          |                           |         |           |      |       |                |            |        |      |       
 In __SP__ , mutant __SP__ __NODE__ gene ( homozygous knockout ) causes little or no change in formation of intestinal polyp that is increased by mutant __SP__ __NODE__ gene ( unspecified heterozygous gene mutation ) .
MOD_ATT:N-ADJ (__NODE__,__SP__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)
COMP:N-N(in) (change,formation)
COMP:N-N(of) (formation,that)
COMP:V_PASS-N(In) (increase,__NODE__)
SUBJ:V_PASS-N (increase,cause)
SUBJ:V_PASS-N (increase,change)
COMP:V_PASS-N(by) (increase,__NODE__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)
APPOS (__NODE__,mutation)
MOD_ATT:N-ADJ (mutation,unspecified)
MOD_ATT:N-ADJ (mutation,heterozygous)
MOD_ATT:N-N (mutation,gene)