( ( ( Not only ) ( ( ( ( the chromosomes ) , ) ( but also ) ) ( ( the DNA ) ( of ( the ( plastids ( meet ( these criteria ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (NP (CONJP (RB Not) (JJ only)) (NP (DT the) (NNS chromosomes)) (, ,) (CONJP (CC but) (RB also)) (NP (NP (DT the) (NN DNA)) (PP (IN of) (NP (DT the) (NN plastids) (S (VP (VB meet) (NP (DT these) (NNS criteria))))))))) (. .)))
Not only the chromosomes, but also the DNA of the plastids meet these criteria.
(ROOT (S (PP (IN Like) (NP (NN mitochondria))) (, ,) (NP (NNS plastids)) (VP (VBP contain) (NP (PRP$ their) (JJ own) (NN dna))) (. .)))