( ( ( genetic traits ) ( due ( to ( loci ( on ( these chromosomes ) ) ) ) ) ) ( ( ( ( ( are ( described ( as autosomal ) ) ) , ) and ) ( may ( be ( ( dominant or ) recessive ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ genetic) (NNS traits)) (ADJP (JJ due) (PP (TO to) (NP (NP (NNS loci)) (PP (IN on) (NP (DT these) (NNS chromosomes))))))) (VP (VP (VBP are) (VP (VBN described) (PP (IN as) (NP (NN autosomal))))) (, ,) (CC and) (VP (MD may) (VP (VB be) (ADJP (JJ dominant) (CC or) (JJ recessive))))) (. .)))
genetic traits due to loci on these chromosomes are described as autosomal, and may be dominant or recessive.
(ROOT (S (NP (NP (DT The) (NN purpose)) (PP (IN of) (NP (NP (DT the) (NNS chromosomes)) (PP (IN in) (NP (NP (DT the) (NN nucleus)) (PP (IN of) (NP (DT a) (NN cell)))))))) (VP (VBZ is) (S (VP (TO to) (VP (VB store) (NP (NP (DT the) (JJ genetic) (NNS instructions)) (VP (VBN needed) (S (VP (TO to) (VP (VB specify) (NP (NNS traits))))))))))) (. .)))