Three tomato plants vary in the shape of their leaves: A has smooth edges on its leaves, B has wavy edges on its leaves, and C has smooth edges with bumps in the center of the leaf. Their genomes are the presence of three siRNAs as shown in the table below. Each plant is also tested to see if it is susceptible to attack by herbivorous beetles. Plant siRNA 1 siRNA 2 siRNA 3 Susceptible to Beetles A Yes No No Yes B Yes Yes No Yes C Yes No Yes No  Part A:  Identify the role of each siRNA. Explain how the siRNAs do their jobs.  Part B:   Decipher the connection between the phenotypes and susceptibility to beetles and explain how you deciphered this.

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