( We ( ( will ( ( ( represent ( ( the ( dominant form ) ) ( of ( a gene ) ) ) ) ( with ( ( ( an ( uppercase letter ) ) and ) ( the ( recessive form ) ) ) ) ) ( with ( a ( lowercase letter ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (MD will) (VP (VB represent) (NP (NP (DT the) (JJ dominant) (NN form)) (PP (IN of) (NP (DT a) (NN gene)))) (PP (IN with) (NP (NP (DT an) (JJ uppercase) (NN letter)) (CC and) (NP (DT the) (JJ recessive) (NN form)))) (PP (IN with) (NP (DT a) (JJ lowercase) (NN letter))))) (. .)))
We will represent the dominant form of a gene with an uppercase letter and the recessive form with a lowercase letter.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (VP (VBD represented) (PP (IN by) (NP (DT a) (JJ single) (NN letter)))))) (, ,) (NP (JJ dominant) (NNS alleles)) (VP (VBP are) (VP (VBN represented) (PP (IN by) (NP (JJ uppercase) (NNS letters))))) (. .)))