"Asexual" Quotes from Famous Books
 ... upon the market, and their excellent qualities give them a considerable vogue. Much is expected of them, but time after time they deteriorate in a disappointing way and are lost to sight. It is not improbable that we are here concerned with a case in which the plants lose their vigour after a few asexual generations of reproduction from tubers, and can only recover it with the stimulus that results from the interpolation of a sexual generation. Unfortunately this generally means that the variety is ...
— Mendelism - Third Edition • Reginald Crundall Punnett
... grafting. I got a number of the Japanese publications of propagation methods and their stocks, and so forth, translated into English, and their problems are just the same as we are going through right here now. They propagate true varieties by asexual methods, but the Chinese do not ...
— Northern Nut Growers Association Incorporated 39th Annual Report - at Norris, Tenn. September 13-15 1948 • Various
... more remote ancestors; and that ever-present individual variation arises which furnishes the material for natural selection to act upon. Diversity of sex becomes, therefore, of primary importance as the cause of variation. Where asexual generation prevails, the characteristics of the individual alone are reproduced, and there are thus no means of effecting the change of form or structure required by changed conditions of existence. Under such changed conditions a complex organism, if only asexually propagated, ...
— Darwinism (1889) • Alfred Russel Wallace
... childhood are, as was said before, the psychosexual phenomena. Frequently, the individual symptoms are so faintly marked that they can be detected only by a very thorough and careful examination. I wish merely to insist upon the fact that during the years of childhood which are commonly regarded as asexual, manifestations of the sexual life can with care almost always be detected, although at times their detection is by no ...
— The Sexual Life of the Child • Albert Moll
... or the whole of the psychosexual activity for object finding. Girls with an excessive need for affection and an equal horror for the real demands of the sexual life experience an uncontrollable temptation on the one hand to realize in life the ideal of the asexual love and on the other hand to conceal their libido under an affection which they may manifest without self reproach; this they do by clinging for life to the infantile attraction for their parents or brothers ...
— Three Contributions to the Theory of Sex • Sigmund Freud |
