( ( If ( ( a child ) ( inherits ( ( ( ( ( brown-eye genes ) ( from ( one parent ) ) ) , ) and ) ( ( blue-eye genes ) ( from ( the ( other parent ) ) ) ) ) ) ) ) ( , ( then ( ( the child ) ( ( will ( have ( brown eyes ) ) ) . ) ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT a) (NN child)) (VP (VBZ inherits) (NP (NP (NP (JJ brown-eye) (NNS genes)) (PP (IN from) (NP (CD one) (NN parent)))) (, ,) (CC and) (NP (NP (JJ blue-eye) (NNS genes)) (PP (IN from) (NP (DT the) (JJ other) (NN parent)))))))) (, ,) (ADVP (RB then)) (NP (DT the) (NN child)) (VP (MD will) (VP (VB have) (NP (JJ brown) (NNS eyes)))) (. .)))
If a child inherits brown-eye genes from one parent, and blue-eye genes from the other parent, then the child will have brown eyes.
(ROOT (S (NP (NNP Children)) (VP (MD can) (VP (VB inherit) (NP (JJ brown) (NNS eyes)) (PP (IN from) (NP (PRP$ their) (NNS parents))))) (. .)))
Children can inherit brown eyes from their parents.