Knight — 14 — Dictionary 



Autocarp. — A fruit obtained as the resirit of self-fertilization. 



Autocarpy. — Fruiting following self-fertilization. Adj. Auto- 

 carpic. 



Autochthonous. — (i) Indigenous, (ii) Innate, hereditary, 

 inherited. 0pp. Allochthonous. 



Autogamous. — Reproducing by self-fertilization. 



Autogamy. — (i) Fertilization by self pollination, (ii) Union 

 of closely related cells. 



Autogenesis. — Spontaneous generation of living matter from 

 non-living matter; autogeny; autogony; abiogenesis. 



Autogeny, Autogony. — Autogenesis, q.v. 



Autogenous Variations. Heritable variations (as op- 

 posed to variations due to environment), e.g. recombinations, 

 gene mutations, chromosome changes. 



Autogony. — Autogeny, Autogenesis, q.v. 



Autoheteroploid. — A heteroploid resulting from multiplica- 

 tion of a single genom or of certain chromosomes from a single 

 genom. cj. Alloheteroploid. 



Autoicous. — Having staminate and pistillate flowers on the 

 one plant. 



Automixis. — The fusion of two nuclei derived from a com- 

 mon mother-cell. 



Auto-orientation. — See under Orientation. 



Autoparthenogenesis. — The development of an unfertilized 

 tgg as a result of artificial stimulation by chemical, or other, 

 means. 



Autophilous. — Autogamous; self-pollinated. 



Autopolyploid. — An organism having more than two homo- 

 logous sets of chromosomes in its body cells, derived from a 

 single parent species; duplicational polyploid; autotetraploid. 

 cf. Allopolyploid. 



Autosexing. — Used of strains the two sexes of which are 

 readily recognizable by reason of the presence of a sex-linked 

 gene, e.g. barring in chickens. 



Autosomes. — Normal chromosomes (as opposed to sex chro- 

 mosomes) ; euchromosomes. cf. Allosome. 



Autosynapsis. — Autosyndesis, q.v. 



Autosyndesis. — The pairing, in a polyploid or allopolyploid, 

 of chromosomes (i) derived from the same parental gamete, 

 or (ii) phylogenetically derived from the same diploid species. 



Autotetraploid. — A tetraploid whose nuclei contain four sets 

 of chromosomes of the same origin; duplicational polyploid. 



Autotriploid. — An individual having three homologous sets 

 of chromosomes in the body cells. 



