Binary Fission Notes

Binary Fission..DNA duplicates…why?

DNA separates & new cell wall divides cell in two

2 ‘new’ cells…identical?

quiz• What happens to the size of bacteria

after binary fission?• What two things have to happen

before fission occurs?

quiz• What happens to the size of bacteria

after binary fission?• What two things have to happen

before fission occurs?– A. Cell must grow in size before splitting

again.– B. Cell must duplicate its DNA, so each

new cell will have its own copy.