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" But I am strongly inclined to suspect that the most frequent cause of variability may be attributed to the male and female reproductive elements having been affected prior to the act of conception. "
The Foundations of the Origin of Species: Two Essays Written in 1842 and 1844 - Стр. xxx
авторы: Charles Darwin - 1909 - Страниц: 263
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British and Foreign Medico-chirurgical Review: Or, Quarterly Journal ..., Том 26

1860 - Страниц: 436
...malformations are sometimes evidently due to disease of the ovum or foetus, and probably are often to be attributed to the male and female reproductive...having been affected prior to the act of conception ; but assuredly the most common explanation is to be found in impeded or arrested development of the...
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The British and Foreign Medico-chirurgical Review, Or, Quarterly ..., Том 26

1860 - Страниц: 590
...evidently due 10 intra-uterine dieeaee of the fœtiu. — See the deseriptton of thli cass in the foot-notr male and female reproductive elements having been affected prior to the act of conception; but assuredly the most common explanation is to be found in impeded or arrested development of the...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - Страниц: 470
...separated by any clear line of distinction from mere variations. But I am strongly inclined to suspect that the most frequent cause of variability may be...having been affected prior to the act of conception. Several reasons make me believe in this ; but the chief one is the remarkable effect which confinement...
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the journal of agriculture

robert scott burn - 1861 - Страниц: 738
...any clear line of distinction from varieties. " I am strongly inclined to suspect," says Mr Darwin, " that the most frequent cause of variability may be...having been affected prior to the act of conception. Several reasons make me believe this; but the chief one is the remarkable effect which confinement...
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The Retrospect of Medicine, Том 42

1861 - Страниц: 488
...malformations are sometimes evidently due to disease of the ovum or foetus, and probably are often to be attributed to the male and female reproductive...having been affected prior to the act of conception ; but assuredly the most common explanation is to be found in impeded or arrested development of the...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - 1864 - Страниц: 472
...separated by any clear line of distinction from mere variations. But I am strongly inclined to suspect that the most frequent cause of variability may be...to the male and female reproductive elements having i been affected prior to the act of conception. Several reasons make me believe in this ; but the chief...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - Страниц: 668
...separated by any clear line of distinction from mere variations. But I am strongly inclined to suspect that the most frequent cause of variability may be...having been affected prior to the act of conception. Several reasons make me believe in this ; but the chief one is the remarkable effect which confinement...
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The Quarterly Journal of Science, Том 3

1866 - Страниц: 658
...origin of the sexes themselves ? It is true, he tells us that " he is strongly inclined to suspect that the most frequent cause of variability may be...having been affected prior to the act of conception ; "t but we would appeal to readers * ' Origin of Species,' p. 137. t Ibid., f. 8. of every shade of...
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Quarterly Journal of Science: 1866, Том 3

1866 - Страниц: 736
...origin of the sexes themselves ? It is true, he tells us that " he is strongly inclined to suspect that the most frequent cause of variability may be...having been affected prior to the act of conception ; "t but we would appeal to readers of every shade of opinion, whether this is not what the illustrious...
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Proceedings of the American Philosophical Society Held at ..., Объемы 12-13

American Philosophical Society - 1873 - Страниц: 662
...variability may be partly connected with excess of food. * * * But I am strongly inclined to suspect that the most frequent cause of variability may be...having been affected prior to the act of conception. * * Nothing is more easy than to tame an animal, and few things more difficult than to get it to breed...
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