A critical analysis of excretory products as sex controlling agents in cladocera [0.03%]
溞科动物排泄产物作为性别控制剂的批判性分析
C A Stuart,H J Cooper,Rose Miller
C A Stuart
Conditions seem to exist under which the sex of the young to be produced by a Cladoceran mother is not determined by the animal's immediate environment. In such mothers a sex determining mechanism appears to have been inherited, and such mo...
Untersuchungen zur Genetik der geographischen Variation : III. Abschliessendes über die Geschlechtsrassen von Lymantria dispar [0.03%]
地理变异遗传学的研究:第三种地理种族性态群的性别群体研究——杨蛾科昆虫Lymantria dispar为例
Richard Goldschmidt
Richard Goldschmidt
Die Entwicklung des Genitalapparates bei triploiden Intersexen von Solenobia triquetrella F. R. (Lepid. Psychidae) Deutung des Intersexualitätsphänomens [0.03%]
三倍体Solenobia triquetrella (Lepidoptera: Psychidae) 阴阳同体个体生殖器官的发育及其阴阳同体现象的意义探讨
J Seiler,O Puchta,E Brunold et al.
J Seiler et al.
Der Einfluss von Thyroxin, Vitamin E und Cortiron (Desoxycorticosteronacetat) auf die larvale Keimdrüsenentwicklung von Bufo viridis [0.03%]
甲状腺素、维生素E和柯体质(脱氧 cortical acetate)对Bufo viridis蝌蚪期生殖腺发育的影响
Susanne Mertens-Neuling
Susanne Mertens-Neuling
Experimentelle Untersuchungen über den regenerationshemmenden Faktor von Tubularia [0.03%]
管珊瑚再生抑制因子的实验研究
Pierre Tardent,Hermann Eymann
Pierre Tardent
Influence of the ectoderm on heart differentiation and placement in the chicken embryo [0.03%]
鸡胚外胚层对心脏分化和定位的影响
Francisco Orts Llorca
Francisco Orts Llorca
1. The unilateral or bilateral extirpation of the ectoderm of the P.H.M. region in stages 5 to 8 in the chicken embryo exerts no influence in heart determination and differentiation, since in all the cases a morphological and structurally t...