Meaning & use
binary fission
A method of asexual reproduction in which a single cell divides into two genetically identical daughter cells.
See it in a sentence
Bacteria multiply rapidly through binary fission when conditions are warm and food is plentiful.
Under the microscope, students watched an amoeba undergo binary fission.
A note on using this word
Binary fission differs from mitosis in complex organisms because it occurs in simple, single-celled life forms such as bacteria.
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