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Definition of APOMIXIS
: reproduction (as apogamy or parthenogenesis) involving specialized generative tissues but not dependent on fertilization
Origin of APOMIXIS
New Latin, from apo- + Greek mixis act of mixing, from mignynai
First Known Use: 1913
Reproduction by special tissues without fertilization. Examples include parthenogenesis in animals (in which a new individual develops from an unfertilized egg) and apogamy in plants (in which the generating tissue may be either the gametophyte or the sporophyte). Apomixis provides for the preservation of traits favourable to individual survival, but it eliminates the longer-term evolutionary advantage of genetic contribution from two parents.