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1. the act of splitting.
2. asexual reproduction in which the cell divides into two (binary fission) or more (multiple fission) daughter parts, each of which becomes an individual organism.
3. nuclear fission; the splitting of the atomic nucleus, with release of energy.
binary fission the halving of the nucleus and then of the cytoplasm of the cell, as occurs in protozoa.
simple fission in which the two new cells are approximately equal in size.
A method of asexual reproduction that involves the splitting of a parent cell into two approximately equal parts.
Etymology: L, bini, twofold, fissionis, splitting
binary fissionAsexual reproduction in which a cell divides into 2 daughter cells after DNA replication and mitosis.
bi·na·ry fis·sion(bī'nar-ē fish'ŭn)
Simple fission in which the two new cells are approximately equal in size.