BRAINCAKEBudding
Budding is a type of asexual reproduction in which a new individual develops as an outgrowth (a bud) from the body of the parent. The bud is formed by mitosis, so it is genetically identical to the parent.
Yeast (a single-celled fungus): a small bulge forms on the side of the parent cell. The nucleus divides by mitosis and one of the daughter nuclei moves into the bud, along with some cytoplasm and organelles. The bud grows and is then separated by a new cell wall forming across the narrow neck between them. Unlike binary fission, the division of the cytoplasm is unequal: the bud starts much smaller than the parent. Sometimes buds stay attached and bud again, forming chains of cells. Each division leaves a bud scar on the parent's cell wall.
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Key terms in this lesson
- binary fission
- The asexual division of a prokaryotic cell into two genetically identical daughter cells.
More in The Cell Cycle
- Cytokinesis
- Asexual Reproduction
- Sporulation
- Regeneration
- Vegetative Propagation
- Mitosis and Growth and Repair
- Measuring Growth
- Growth Patterns
All 18 lessons in The Cell Cycle · All Edexcel AS-level Biology topics