( ( While ( ( type ( XI collagen ) ) ( is ( a ( minor component ) ) ) ) ) ( , ( Seegmiller ( ( hypothesizes ( that ( it ( ( combines ( with ( ( ( ( type ( II collagen ) ) , ) ( a ( major ( cartilage collagen ) ) ) ) , ) ) ) ( to ( allow ( for ( ( the ( normal development ) ) ( of ( the cartilage ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN While) (S (NP (NN type) (NNP XI) (NNP collagen)) (VP (VBZ is) (NP (DT a) (JJ minor) (NN component))))) (, ,) (NP (NNP Seegmiller)) (VP (VBZ hypothesizes) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ combines) (PP (IN with) (NP (NP (NN type) (NNP II) (NNP collagen)) (, ,) (NP (DT a) (JJ major) (NN cartilage) (NN collagen)) (, ,))) (S (VP (TO to) (VP (VB allow) (PP (IN for) (NP (NP (DT the) (JJ normal) (NN development)) (PP (IN of) (NP (DT the) (NN cartilage)))))))))))) (. .)))
While type XI collagen is a minor component, Seegmiller hypothesizes that it combines with type II collagen, a major cartilage collagen, to allow for the normal development of the cartilage.
(ROOT (S (NP (JJ Lamprey) (NN cartilage)) (VP (VBZ contains) (NP (DT no) (NN collagen))) (. .)))