单词 | androgenesis |
释义 | androgenesisn. Biology. ΚΠ 1873 Zool. Rec. 1871 8 348 As in Vespa and Polistes, such parthenogenesis is associated with Leuckart's arrhenotocy (for which he [sc. von Siebold] proposes to adopt Breyer's term androgenesis, referring to the power possessed by the unimpregnated ova of producing male individuals). 2. A form of uniparental inheritance in which only the paternal genes contribute to the genome of the offspring, occurring chiefly as a rare abnormality or by artificial induction. Cf. gynogenesis n.Androgenesis as a natural form of reproduction is known in a very small number of plant and animal species. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > types of reproduction > [noun] > sexual syngenesis1836 bisexuality1850 gamogenesis1858 amphigony1876 amphimixis1893 oogamy1894 androgenesis1895 merogamy1901 gynogenesis1925 1895 M. C. Potter tr. E. Warming Handbk. Systematic Bot. 14 The female (parthenogenesis) or male (androgenesis) sexual cell may, sometimes without any preceding fertilisation, form a new individual. 1925 E. B. Wilson Cell (ed. 3) v. 464 Androgenesis. By this term we may designate the activation of the egg by the sperm followed by development without the participation of the egg nucleus. 1945 Q. Rev. Biol. 20 37/1 A mating between a homozygous dark female [axolotl] and a recessive white male produced one haploid larva which was white and must therefore have developed with a paternal set of chromosomes, i.e., by androgenesis. 1988 R. E. De Wreede & T. Klinger in J. Lovett Doust & L. Lovett Doust Plant Reprod. Ecol. xiii. 278 Male parthenogenesis, or androgenesis, also occurs among the algae. 2014 Plant Cell 26 196/1 This form of haploid embryogenesis, referred to as microspore embryogenesis, pollen embryogenesis, or androgenesis, is induced by exposing anthers or isolated microspores/pollen to abiotic or chemical stress during in vitro culture. This entry has been updated (OED Third Edition, March 2018; most recently modified version published online December 2021). < n.1873 |
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