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The fertilizing cell, its varying form and behavior by Nelly Peery, 1890

The fertilizing cell, its varying form and behavior by Nelly Peery, 1890, Page 11

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9. these cells shall be, from the outset, essential by different in -- 1" morphology - i.e. in form, and origin -- and 2" function - i.e., one, the fertilizing cell gives energy to the other, but is itself absorbed or lost: it excites the cell which it fertilizes to activity, and renders it capable of continuing its growth to the limits set by heredity, but in so doing the fertilizing cell has so far lost its
 
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