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Excerpt from An Analysis of the Effects of Selection
Because of the information given by this table it has seemed de sirable to present the data for males and females separately. This has been done in the Appendix; but since the dimorphism is slight, the data have been lumped in the statistical treatment given in the body of the paper. The data in the Appendix make it possible to re calculate the constants separately if it should seem desirable to do so.
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Excerpt from An Analysis of the Effects of Selection
In any selection experiment it is obviously very important to have some information regarding the influence of environmental conditions on the variable character used. If the observed variations in the character are largely due to environmental causes, it should be very difficult to accomplish much by selection; but if the environment plays little part in causing variability, selection should be very effective in isolating different types, and on the multiple-factor view variability should show a marked decrease after a few generations of inbreeding.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
"About this title" may belong to another edition of this title.
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An Analysis of the Effects of Selection (Classic Reprint)
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Paperback. Condition: New. Print on Demand. This book is a comprehensive analysis of the effects of selection on bristle number variation in Dichaet, a mutated strain of the fruit fly. The study is part of a larger series of experiments aimed at understanding the relative influence of genetic inheritance and environmental factors on observable characteristics in the fruit fly. The author explores whether the variation is due to modification of the mutant gene itself or to the influence of multiple factors, as suggested by the multiple-factor view of inheritance. The primary conclusion of the book is that selection operates by isolating existing genetic variations rather than creating new variations, supporting the multiple-factor view of variation and inheritance. This book provides compelling evidence for the stability of genes, challenging the hypothesis that genes are easily contaminated in heterozygotes and mutate frequently. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781332298327_0
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An Analysis of the Effects of Selection Classic Reprint
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332298327
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An Analysis of the Effects of Selection Classic Reprint
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