( ( Depending ( on ( ( the mix ) ( of ( alleles ( for ( the ( two genes ) ) ) ) ) ) ) ) ( , ( you ( ( could ( have ( ( ( ( only ( one ( possible gamete ) ) ) , ) or ) ( as ( many ( as four ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (VBG Depending) (PP (IN on) (NP (NP (DT the) (NN mix)) (PP (IN of) (NP (NP (NNS alleles)) (PP (IN for) (NP (DT the) (CD two) (NNS genes)))))))) (, ,) (NP (PRP you)) (VP (MD could) (VP (VB have) (NP (NP (RB only) (CD one) (JJ possible) (NN gamete)) (, ,) (CC or) (NP (QP (RB as) (JJ many) (IN as) (CD four)))))) (. .)))
Depending on the mix of alleles for the two genes, you could have only one possible gamete, or as many as four.
(ROOT (S (NP (NP (DT The) (NN majority)) (PP (IN of) (NP (JJ human) (NNS genes)))) (VP (VBP have) (NP (QP (CD two) (CC or) (JJR more)) (JJ possible) (NNS alleles))) (. .)))