Publisher's Synopsis
Excerpt from Mutative Reversions in Cotton
Changes of characters are not confined to stocks that have been recently hybridized. Even in the most uniform varieties, such as the Triumph Upland cotton of Texas, many individual plants may show sudden departures from the normal characters of the variety, especially when the conditions are new or extreme. The nature of such variations and the frequency with which they occur indicate that they represent reversions to the earlier diversities of the type that have been suppressed by selection.
Reversion may be defined as the return of ancestral characters to expression. Plants or animals that differ from their immediate rela tives in showing characteristics of remote ancestors 'are described as reversions, or throw - backs. Striped pigs, black lambs, blue pigeons, red ears of corn, and brown-linted cotton plants that appear occasionally in pure-bred white varieties may be looked upon as reversions to the characteristics of colored ancestors. Reversions may be reckoned as partial if the variant individuals bring into expression only a few of the ancestral peculiarities and in other respects continue to resemble the typical members of the breed.
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