Example Sentences

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It has been the main argument of this volume that there are two distinct kinds of characters in all organisms—namely, those of somatogenic origin and those of gametogenic origin.

From Hormones and Heredity by Cunningham, J. T.

All attempts to explain adaptation by gametogenic mutations, or changes in gametic factors or 'genes,' have completely failed, as Bateson himself has admitted.

From Hormones and Heredity by Cunningham, J. T.

These fishes offer perhaps the best example of the difference between gametogenic mutations and adaptive modifications.

From Hormones and Heredity by Cunningham, J. T.

For the present, therefore, we must conclude that feathers are not an adaptation, and not due to somatogenic modification, but must be result of a gametogenic mutation.

From Hormones and Heredity by Cunningham, J. T.

But it is obvious that the black and white of Leghorn fowls and of guinea-pigs are gametogenic characters, and are strongly established in the gametes of their respective varieties.

From Hormones and Heredity by Cunningham, J. T.