met r ically ▁forming ▁a ▁small ▁ap ical ▁cell ▁and ▁large ▁bas al ▁cell . ▁The ▁organiz ational ▁pattern ▁is ▁formed ▁in ▁the ▁glob ular ▁stage ▁and ▁the ▁emb ry o ▁then ▁trans itions ▁to ▁the ▁c oty led on ary ▁stage . ▁Emb ry o ▁development ▁diff ers ▁in ▁mon oc ots ▁and ▁dic ots . ▁Dic ots ▁pass ▁through ▁the ▁glob ular , ▁heart - sh aped , ▁and ▁tor ped o ▁stages ▁while ▁mon oc ots ▁pass ▁through ▁glob ular , ▁sc ut ell ar , ▁and ▁cole opt ilar ▁stages . ▁ ▁Many ▁culture ▁systems ▁indu ce ▁and ▁maintain ▁som atic ▁emb ry ogen esis ▁by ▁continuous ▁expos ure ▁to ▁ 2 , 4 - d ich lor oph en ox y ac etic ▁acid . ▁Ab sc is ic ▁acid ▁has ▁been ▁reported ▁to ▁indu ce ▁som atic ▁emb ry ogen esis ▁in ▁seed lings . ▁After ▁call us ▁formation , ▁cult uring ▁on ▁a ▁low ▁aux in ▁or ▁h orm one ▁free ▁media ▁will ▁promote ▁som atic ▁emb ry o ▁growth ▁and ▁root ▁formation . ▁In ▁mon oc ots , ▁emb ry ogen ic ▁cap ability ▁is ▁usually ▁restricted ▁to ▁t issues ▁with ▁emb ry ogen ic ▁or ▁mer ist ematic ▁origin . ▁Som atic ▁cells ▁of ▁mon oc ots ▁differenti ate ▁quickly ▁and ▁then ▁lose ▁mit otic ▁and ▁morph ogen ic ▁cap ability . ▁D iffer ences ▁of ▁aux in ▁sens itivity ▁in ▁emb ry ogen ic ▁call us ▁growth ▁between ▁different ▁gen ot ypes ▁of