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Unpaired or unbalanced characters lie side by side with paired or balanced qualities, and they do so in nearly all the crosses made for practical purposes, and in very many scientific experiments. Even Mendel's peas were not pure in this respect, much less do the campions noted above differ only in Mendelian characters.
In accordance with the view that the dominant is something present which is absent in the recessive, the Mendelian theory of sex assumes that femaleness is dominant, and that maleness is the absence of femaleness, the absence of something which makes the individual female.
In many of his productions Professor Buffum apparently has set the Mendelian law at defiance, for, by cross-fertilization, he has evolved plants which breed true to themselves, and their progeny does not break up into groups, according to the accepted theory. They show specimens resembling each parent, with the third composed of seemingly, but not really, blended specimens.
He he has rather a poor opinion of his contemporaries. Of course, he had no idea who I was." "But how did you tell him? You've never told me. Wasn't it a little bit of a scene?" "Oh! let me see. I said I hadn't been at the Royal Society soiree for four years, and got him to tell me about some of the fresh Mendelian work.
On this view, variation depends largely on the laws of the interaction of the dissimilar characters brought together in cell-union. But what are these laws? The best that can be said is that we are getting to know a little more about them every day. Amongst other lines of inquiry, the so-called Mendelian experiments promise to clear up much that is at present dark.
I am all of my past, as every protagonist of the Mendelian law must agree. All my previous selves have their voices, echoes, promptings in me. My every mode of action, heat of passion, flicker of thought is shaded, toned, infinitesimally shaded and toned, by that vast array of other selves that preceded me and went into the making of me. The stuff of life is plastic.
The patriotic animus appears to be an enduring trait of human nature, an ancient heritage that has stood over unshorn from time immemorial, under the Mendelian rule of the stability of racial types. It is archaic, not amenable to elimination or enduring suppression, and apparently not appreciably to be mitigated by reflection, education, experience or selective breeding.
Other difficulties previously discussed also appear to be diminished if we adopt this point of view. We need not regard maleness and femaleness as unit characters in heredity of the same kind as Mendelian characters of the soma.
The facts discovered concerning mutations and Mendelian heredity harmonize with the nature of the majority of specific and varietal characters, and with the diagnostic characters of many larger divisions in classification.
But when an ovum bearing femaleness meets a sperm, the resulting individual is female, femaleness being a Mendelian "dominant" to maleness; if both be present, femaleness appears. The female, however, is not female all through as the male is male all through. So far as sex is concerned, he is made of maleness plus maleness; but she is made of femaleness plus maleness.
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