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Budding & Its Types - Practice Questions & MCQ

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

Concepts Covered - 0

Budding & Its Types
  • In this type of asexual reproduction, the parent organism divides itself into two unequal parts. 
  • The daughter organism is formed through a small part called a bud.
  • Budding can occur in both unicellular and multicellular organisms.
  • It begins by developing a small bud (outgrowth) of a side of the parent organism. 
  • The bud may develop from any part of the organism, but in most cases, there are special areas on the parent organisms that promote bud development. 
  • Then the bud breaks off as a completely new organism. 
  • Organisms such as yeast (unicellular organism), hydra (multicellular organism, sponges and some worms (flatworm) reproduce in this way. 
  • The two new organisms will have identical DNA.
  • Budding are of two types: (a) Exogenous or External budding  (b) Endogenous or Internal budding
  • Exogenous budding- Initially, a small outgrowth of the parent's body develops into a miniature individual. It then separates from mother's body to lead a free life. Example- Hydra.
  • Endogenous budding-  In fresh water sponges like spongilla and marine sponges like sycon, the parent body releases a specialised mass of cells enclosed in an envelope called Gemmule. Each gemmule gives rise to an offspring gemmule and these are considered as internal buds. Example - Spongilla, Sycon.

Budding in Yeast:

  • The bud develops on one side of the cell.
  • The nucleus divides mitotically and one of the two daughter nuclei shifts to the bud.
  • The young bud is small. It grows in size, gets separated and grows as a new organism.
  • Sometimes, there can be many buds attached that can further bear daughter buds.
  • This stage is called the torula stage and the process is called torulation.
  • Budding are of two types: (a) Exogenous or External budding  (b) Endogenous or Internal budding.

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