Apomixis

Definition

noun

(1) A type of reproduction in plants where the usual sexual reproduction is replaced by asexual means that does not involve meiosis and syngamy.

(2) Seed production without involving fertilization.

(3) The formation of a new sporophyte but not involving fertilization.


Supplement

This form of reproduction has evolved in ferns, dandelions and other flowering plants. In flowering plants, it occurs in two forms:

  • gametophytic apomixis
  • adventitious embryony

Seeds produced by apomixis are genetically similar to the parent plant.


Synonym:

See also: asexual reproduction


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 6 March 2009, at 09:53. This page has been accessed 9,472 times. 
What links here | Related changes | Permanent link