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This theory would be quite compatible with the belief that adaptive somatic sex-characters may be due to external stimulation, for supposing that the hypertrophy or modification is conveyed to the determinants in the gametocytes, and was confined to one sex, e.g. the male, then these determinants would be modified in association with the sex-chromosomes of that sex, and thus though after reduction and fertilisation they would be present in the female zygote also, they would not develop in that sex.
Putnam himself and most of us; and is not it true that, though the ethical determinants of behaviour are not auspicious for the average sexual satisfactions of man, yet are they not themselves forms of hedonistic satisfactions? For a man who would behave unethically would be miserable in doing so by the loss of his own self-respect.
He believes also that there are many more such "determinants" than are necessary for the reproduction of the cell. Each of these determinants may be fitted to produce slightly different results, but what decides which of them shall have its own way is quite uncertain.
He says that there are small particles in the nucleus of each cell; that these particles which he calls determinants decide the form and the course of development of that cell; that when that cell divides to produce another cell it gives to this other cell one-half of each determinant. As a result the second cell grows to be like the first. This tells us why offspring are like their parents.
There is, however, another possible cause. Each cell has enough determinants in it for many individuals, and it seems to be more or less a matter of accident which qualities shall come out.
So the number one, thought as concrete unity, is really a trinity, made up of its definite self and its indefinite next greater and lesser determinants. The obscure consciousness of this has made itself felt in many religions when they have progressed to a certain plane of thought.
It follows that, if n states of the material universe are determinants of the material universe, then n states of a given man's mind are determinants of the whole material and mental universe assuming, that is to say, that psycho-physical parallelism is true.
According to T. H. Morgan, it is simply due to the fact that the determinants for such characters are situated in the sex-chromosome. Morgan, however, also states that a case of true sexual dimorphism arose as a mutation in his cultures of Drosphilia. The character was eosin colour in the eye instead of the red colour of the eye in the original fly.
Value 4: factors 1, 2, 3, 4. "Whom did you see?" We may venture to surmise that while whom will ultimately disappear from English speech, locutions of the type Whom did you see? will be obsolete when phrases like The man whom I referred to are still in lingering use. It is impossible to be certain, however, for we can never tell if we have isolated all the determinants of a drift.
There is nothing in the theory thus far to show us why offspring are not exactly like their parents. In other words, there is no accounting, thus far in the theory, for variation. When the biologist studies carefully the history of an egg while it is being formed, he sees that at one stage in its development it throws away not one-half of each determinant, but one-half of the determinants.
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