Answer:
RR RR RR RR - All red snapdragon
Explanation:
Self pollination is a process in which a plant fertilizes itself to breed true type.
If red snapdragon (RR) fertilizes itself
RR×RR (genotype)
!
RR RR RR RR
The offspring will all be RR have the same genotype as the parents plant and the same phenotype Red Snapdragon as the parents.