We Are All Monsters by Andrew Mangham

Author:Andrew Mangham [Mangham, Andrew]
Language: eng
Format: epub
Tags: Monster; monstrosity; monstrous; evolution; mutation; abnormality; literature and science; literature and biology; Darwinism
Publisher: MIT Press
Published: 2023-01-23T00:00:00+00:00

Many monstrosities can hardly be considered as the result of an arrest of development; for parts of which no trace can be detected in the embryo, but which occur in other members of the same class of animals or plants, occasionally appear, and these may probably with truth be attributed to reversion. For instance: supernumerary mammæ, capable of secreting milk, are not extremely rare in women; and as many as five have been observed. . . . This latter case, when we remember the position of the mammæ in some of the lower animals on both the chest and inguinal region, is highly remarkable, and leads to the belief that in all cases the additional mammæ in woman are due to reversion.39

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