▁( 2 5 ▁per ▁cent ) ▁of ▁those ▁in ▁Germany . ▁ ▁Social ▁approaches ▁to ▁inheritance ▁custom s ▁ ▁Emp loy ing ▁differ ing ▁forms ▁of ▁succession ▁can ▁affect ▁many ▁areas ▁of ▁society . ▁G ender ▁roles ▁are ▁prof ound ly ▁affected ▁by ▁inheritance ▁laws ▁and ▁trad itions . ▁Imp art ible ▁inheritance ▁has ▁the ▁effect ▁of ▁keeping ▁large ▁est ates ▁un ited ▁and ▁thus ▁perpet u ating ▁an ▁el ite . ▁With ▁part ible ▁inheritance ▁large ▁est ates ▁are ▁slowly ▁divided ▁among ▁many ▁descend ants ▁and ▁great ▁wealth ▁is ▁thus ▁dil uted . ▁In herit ance ▁custom s ▁can ▁even ▁affect ▁gender ▁differences ▁in ▁cogn itive ▁ab ilities . ▁Among ▁the ▁Kar bis , ▁who ▁employ ▁male ▁prim ogen iture , ▁men ▁perform ▁significantly ▁better ▁than ▁women ▁in ▁tasks ▁of ▁spatial ▁ab ilities . ▁There ▁are ▁no ▁significant ▁differences ▁in ▁the ▁performance ▁of ▁men ▁and ▁women ▁among ▁the ▁K has is , ▁who ▁employ ▁female ▁ult im ogen iture . ▁ ▁The ▁degree ▁of ▁accept ance ▁that ▁a ▁society ▁may ▁show ▁towards ▁an ▁inheritance ▁rule ▁can ▁also ▁vary . ▁In ▁South ▁Africa , ▁for ▁example , ▁the ▁influence ▁of ▁more ▁modern , ▁western ▁social ▁ideas ▁has ▁caused ▁strong ▁opposition , ▁both ▁civil ▁and ▁official , ▁to ▁the ▁custom ary ▁law ▁of ▁pat ril ine al ▁prim ogen iture ▁tradition ally ▁pre val ent ▁among ▁black ▁pe op les , ▁and ▁inheritance ▁custom s ▁are ▁gradually ▁changing . ▁ ▁Among ▁the ▁ind igen ous ▁tribes ▁of ▁South ▁Africa , ▁the ▁oldest ▁son ▁inher