| 释义 |
thelytokous, a. Zool.|θiːˈlɪtəkəs|
Also erron. thelyotokous |-ˈɒtəkəs|.
[f. Gr. θηλυτόκος bearing females (f. θῆλυ-ς female + -τόκος bearing) + -ous.]
Producing only female offspring, as the parthenogenetic females of some species: opposed to arrenotokous. So theˈlytoky (also thelyˈotoky), the production of females only in parthenogenesis.
1877Huxley Anat. Inv. Anim. vii. 446 The terms arrenotokous and thelytokous have been proposed by Leuckart and Von Siebold to denote those parthenogenetic females which produce male and female young respectively. 1895D. Sharp Cambr. Nat. Hist. V. iv. 141 The result of parthenogenesis in some species is the production of only one sex, which in some Insects is female, in others male; the phenomenon in the former case is called by Taschenberg Thelyotoky, in the latter case Arrhenotoky. Ibid. xxii. 498 Thelyotokous parthenogenesis is common in sawflies. |