 ባክቴሪያዎች ለኣንቲባዮቲክ ሲጋለጡ, ብዙዎቹ ሲገደሉ, ሌሎች የቀድሞ ትውልዶች መገደላቸውን ለመቋቋም የሚያስችሏቸውን ባህሪያት ሊያዳብሩ ይችላሉ.
When bacteria are exposed to an antibiotic, while many are killed, subsequent generations of others may develop characteristics that allow them to resist being killed.