it just takes one lil grain of pollen
u can transfer pollen by hands,hell it will stick to your clothing ,hiar ect
always when messing with a male clean up your self afterwards,and anything it came in contact with(like inside ya cabnet,or the room itself).when removing them i suggest placing a bag over them and securing it so when ya ,cut it,pull it up whatever you dont Plaster the area with pollen,which will in fact ,wait on the flowering to start its got nothing else to do,and thats is soul purpose in life,pollenating

on the plus side
welcome to the world of crossbreeding ,(if its two types of weed that is)

peace to the growers of the world