( ( ( Deletion ( A type ) ) ( of mutation ) ) ( ( ( caused ( by ( loss ( of ( ( ( one or ) more ) nucleotides ) ) ) ) ) ( from ( a ( DNA segment ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Deletion) (DT A) (NN type)) (PP (IN of) (NP (NN mutation)))) (VP (VBD caused) (PP (IN by) (NP (NP (NN loss)) (PP (IN of) (NP (QP (CD one) (CC or) (JJR more)) (NNS nucleotides))))) (PP (IN from) (NP (DT a) (NNP DNA) (NN segment)))) (. .)))
Deletion A type of mutation caused by loss of one or more nucleotides from a DNA segment.
(ROOT (S (ADVP (RB Deletions)) (VP (VB remove) (NP (NP (QP (CD one) (CC or) (JJR more)) (NNS nucleotides)) (PP (IN from) (NP (DT the) (NN dna)))))))