( ( Knowledge ( of ( probability ( and ( Mendelian ( inheritance patterns ) ) ) ) ) ) ( ( is ( ( used ( in ( analysis ( of pedigrees ) ) ) ) ( to ( ( yield clues ) ( to ( ( a ( trait 's ) ) ( genetic basis ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Knowledge)) (PP (IN of) (NP (NN probability) (CC and) (JJ Mendelian) (NN inheritance) (NNS patterns)))) (VP (VBZ is) (VP (VBN used) (PP (IN in) (NP (NP (NN analysis)) (PP (IN of) (NP (NNS pedigrees))))) (S (VP (TO to) (VP (VB yield) (NP (NNS clues)) (PP (TO to) (NP (NP (DT a) (NN trait) (POS 's)) (JJ genetic) (NN basis)))))))) (. .)))
Knowledge of probability and Mendelian inheritance patterns is used in analysis of pedigrees to yield clues to a trait's genetic basis.
(ROOT (S (NP (DT The) (JJ pedigree) (NN chart) (NN model)) (VP (MD can) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB trace) (NP (JJ genetic) (NN inheritance)))))))) (. .)))
The pedigree chart model can be used to trace genetic inheritance.