( ( What ( ( that step ) illustrates ) ) ( ( is ( ( the process ) ( of ( gametogenesis ( -LRB- ( ( ( ( ( the production ) ( of ( sex cells ) ) ) , ) ( ( egg & ) sperm ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (SBAR (WHNP (WP What)) (S (NP (DT that) (NN step)) (VP (VBZ illustrates)))) (VP (VBZ is) (NP (NP (DT the) (NN process)) (PP (IN of) (NP (NP (NNS gametogenesis)) (PRN (-LRB- -LRB-) (NP (NP (DT the) (NN production)) (PP (IN of) (NP (NN sex) (NNS cells)))) (, ,) (NP (NP (NN egg)) (CC &) (NP (NN sperm))) (-RRB- -RRB-)))))) (. .)))
What that step illustrates is the process of gametogenesis (the production of sex cells, egg &amp; sperm).
(ROOT (S (NP (NNS Meiosis)) (VP (VBZ is) (NP (NP (NN part)) (PP (IN of) (NP (NP (DT the) (NN process)) (PP (IN of) (NP (NP (NNS gametogenesis)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (NP (NP (DT the) (NN production)) (PP (IN of) (NP (NN sperm) (CC and) (NNS eggs))))))))))))) (. .)))
Meiosis is part of the process of gametogenesis, which is the production of sperm and eggs.