( ( In humans ) ( , ( meiosis ( ( is ( ( the process ) ( ( by ( which sperm ) ) ( ( cells ( and ( egg cells ) ) ) ( are produced ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NNS humans))) (, ,) (NP (NNS meiosis)) (VP (VBZ is) (NP (NP (DT the) (NN process)) (SBAR (WHPP (IN by) (WHNP (WDT which) (NN sperm))) (S (NP (NNS cells) (CC and) (NN egg) (NNS cells)) (VP (VBP are) (VP (VBN produced))))))) (. .)))
In humans, meiosis is the process by which sperm cells and egg cells are produced.
(ROOT (S (NP (NP (NNS Gametogenesis)) (, ,) (NP (NP (DT the) (NN production)) (PP (IN of) (NP (NN sperm) (CC and) (NNS eggs)))) (, ,)) (VP (VBZ takes) (NP (NN place)) (PP (IN through) (NP (NP (DT the) (NN process)) (PP (IN of) (NP (NNS meiosis)))))) (. .)))
Gametogenesis, the production of sperm and eggs, takes place through the process of meiosis.