Evolution And Adaptation
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In our eReader you can find the full English version of the book. Read Evolution And Adaptation Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Evolution And Adaptation
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A union of this sort is called legitimate. Conversely, the short-styled forms were fertilized with their own pollen or with that from another short-styled form. This is also an illegitimate union.
Short-styled forms fertilized with pollen from long-styled forms give again legitimate unions.
The outcome of these different crossings are most curious.
In the table, page 364, the results of the four combinations are given. It will be seen at once that the legitimate unions give more capsules, and t...he seeds weigh more, than in the illegitimate unions.
The behavior of the offspring from seeds of legitimate and illegitimate origin is even more astonishing. Darwin found in Primula veris (the form just described) that the seeds from the short-styled form fertilized with pollen from the same form germinated so badly that he obtained only 14 plants, of which 9 were short-styled and 5 long-styled. The long-styled form fertilized with its own-styled pollen produced "in the first gen- eration 3 long-styled plants.
What to read after Evolution And Adaptation?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Hunt Morgan to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
A union of this sort is called legitimate. Conversely, the short-styled forms were fertilized with their own pollen or with that from another short-styled form. This is also an illegitimate union.
Short-styled forms fertilized with pollen from long-styled forms give again legitimate unions.
The outcome of these different crossings are most curious.
In the table, page 364, the results of the four combinations are given. It will be seen at once that the legitimate unions give more capsules, and t...he seeds weigh more, than in the illegitimate unions.
The behavior of the offspring from seeds of legitimate and illegitimate origin is even more astonishing. Darwin found in Primula veris (the form just described) that the seeds from the short-styled form fertilized with pollen from the same form germinated so badly that he obtained only 14 plants, of which 9 were short-styled and 5 long-styled. The long-styled form fertilized with its own-styled pollen produced "in the first gen- eration 3 long-styled plants.
What to read after Evolution And Adaptation?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Hunt Morgan to read onlineMoreLess
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