Hormones and Heredity

A Discussion Of The Evolution Of Adaptations And The Evolution Of Species

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Author: J.T. Cunningham
Published: 1921
Language: English
Wordcount: 70,418 / 218 pg
Flesch-Kincaid Reading Ease: 34.9
LoC Category: Q
Downloads: 715
mnybks.net#: 1969
Genres: Science, Non-fiction
Excerpt

with regard to the claim that Adami's views as stated in the paper to which he refers were essentially the same as those brought forward by myself and others many years later, we find on reading the paper that its author discussed merely the effect of toxins in disease upon the body-cells and the germ-cells, causing in the offspring either various forms of arrested and imperfect development or some degree of immunity. In the latter case he argues that the action of the toxin of the disease has been to set up certain molecular changes, certain alterations in the composition of the cell-substance so that the latter responds in a different manner when again brought into contact with the toxin. Once this modification in the cell-substance is produced the descendants of this cell retain the same properties, although not permanently. Inheritance of the acquired condition has to be granted, he says, in the case of the body-cells in such cases. But this is not the question: inheritance in the proper sense of the wo

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