Inheritance in Poultry (Classic Reprint) - Hardcover

Davenport, C. B.

9780484823111: Inheritance in Poultry (Classic Reprint)

Hardcover

ISBN 10: 0484823116 ISBN 13: 9780484823111

Verlag: Forgotten Books, 2018

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Excerpt from Inheritance in Poultry

Lucas (1850, p. 194) recognizes three methods of inheritance, which he calls respectively that of election, of mixture, and of combination. They are thus defined Election results in imprinting on some or all parts of the organism the characteristics of the father exclusively or those of the mother. Mixture results in a mixed or simultaneous representation of the father and of the mother on some or all of the parts of the organism. Its extreme is fusion of characteristics. Combination results in the substitution of a new characteristic in the place of any representative in a part or over the whole of the organism. This new characteristic results from the interaction of the two antagonistic ones just as a chemical combination often differs wholly from the elements which have been united in its manufacture.

Darwin 1876, Chapter XV) seems to recognize only two classes of inherit ance, Viz., one in which characteristics blend and one in which they refuse to blend. Of the latter class, however, there are two cases; either the hybrid receives all its characters from one of its parents only, or the hybrid receives part of its characters from one parent, the rest from the other.

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