( Polymorphisms ( ( describe ( members ( of ( ( a ( particular ( gene family ) ) ) ( whose ( ( DNA ( nucleotide sequences ) ) ( vary ( by ( ( ( one or ) more ) bases ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Polymorphisms)) (VP (VBP describe) (NP (NP (NNS members)) (PP (IN of) (NP (NP (DT a) (JJ particular) (NN gene) (NN family)) (SBAR (WP$ whose) (S (NP (NNP DNA) (NN nucleotide) (NNS sequences)) (VP (VBP vary) (PP (IN by) (NP (QP (CD one) (CC or) (JJR more)) (NNS bases)))))))))) (. .)))
Polymorphisms describe members of a particular gene family whose DNA nucleotide sequences vary by one or more bases.
(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)))))))