Studies On the Plant Cell. Pt.1-8
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In our eReader you can find the full English version of the book. Read Studies On the Plant Cell. Pt.1-8 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 Studies On the Plant Cell. Pt.1-8
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But in the higher groups the varied characters of offspring express clearly the subtle factors concerned with the mingling of diverse germ plasm in the proc- ess of fertilization and the growth stimulus recedes into the background.
For these reasons it seems to me that the term fertilization should only be used for the mingling of germ plasm with the possibilities of new combinations in the potentialities of the resulting sexually formed cell and that the growth stimulus should be treated as an... accompaniment but quite apart from the essen- tials of the sexual act. And for these reasons I was careful to include in Section IV under the caption " Sexual Cell Unions and Nuclear Fusions " only illustrations in which the sexual nature of the phenomena was clearly shown by applying a mor- phological or phylogenetic test to the elements concerned in the process of cell fusion. The phylogenetic test seems to me the only sure way of determining the sexual nature of the members of a cell fusion and there are very few cases in which there can be any hesitation in deciding whether or not such elements are morphologically gametes.
What to read after Studies On the Plant Cell. Pt.1-8?
You can find similar books in the "Read Also" column, or choose other free books by Bradley M Bradley Moore Davis to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
But in the higher groups the varied characters of offspring express clearly the subtle factors concerned with the mingling of diverse germ plasm in the proc- ess of fertilization and the growth stimulus recedes into the background.
For these reasons it seems to me that the term fertilization should only be used for the mingling of germ plasm with the possibilities of new combinations in the potentialities of the resulting sexually formed cell and that the growth stimulus should be treated as an... accompaniment but quite apart from the essen- tials of the sexual act. And for these reasons I was careful to include in Section IV under the caption " Sexual Cell Unions and Nuclear Fusions " only illustrations in which the sexual nature of the phenomena was clearly shown by applying a mor- phological or phylogenetic test to the elements concerned in the process of cell fusion. The phylogenetic test seems to me the only sure way of determining the sexual nature of the members of a cell fusion and there are very few cases in which there can be any hesitation in deciding whether or not such elements are morphologically gametes.
What to read after Studies On the Plant Cell. Pt.1-8?
You can find similar books in the "Read Also" column, or choose other free books by Bradley M Bradley Moore Davis to read onlineMoreLess
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