( ( A mutation ) ( ( ( ( ( is ( ( any ( permanent change ) ) ( in ( ( an ( organism 's ) ) DNA ) ) ) ) and ) thus ) ( change ( in ( offspring 's ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN mutation)) (VP (VP (VBZ is) (NP (NP (DT any) (JJ permanent) (NN change)) (PP (IN in) (NP (NP (DT an) (NN organism) (POS 's)) (NN DNA))))) (CC and) (ADVP (RB thus)) (VP (VB change) (PP (IN in) (NP (NNP offspring) (POS 's))))) (. .)))
A mutation is any permanent change in an organism's DNA and thus change in offspring’s.
(ROOT (S (NP (NNS Mutations)) (VP (VP (VBP are) (NP (NP (NNS changes)) (PP (TO to) (NP (NP (DT an) (NN organism) (POS 's)) (NN dna))))) (CC and) (VP (VBP are) (NP (NP (DT an) (JJ important) (NN driver)) (PP (IN of) (NP (NP (NN diversity)) (PP (IN in) (NP (NNS populations)))))))) (. .)))