PIEBALD RATS AND SELECTION
AN EXPERIMENTAL TEST OF THE EFFECTIVENESS OF
SELECTION AND OF THE THEORY OF GAMETIC
PURITY IN MENDELIAN CROSSES
BY
W. E. CASTLE and JOHN C. PHILLIPS
WASHINGTON, D. C.
Published by the Carnegie Institution of Washington
1914
Carnegie Institution of Washington, Publication No. 195
Paper No. 21 of the Station for Experimental Evolution
at Cold Spring Harbor, New York
From the Laboratory of Genetics
of the Bussey Institution
Copies of this Book
were first issued
FEB 18 1914
PRESS OF GIBSON BROTHERS, INC.
WASHINGTON, D. C.
CONTENTS.
| Page. | |
| Introduction | [5] |
| Material and methods | [7] |
| Plus selection series | [9] |
| Minus selection series | [12] |
| Return selection | [13] |
| Crosses with wild rats | [16] |
| Crosses with black “Irish” rats | [18] |
| Plus selection of “extracted hooded” rats | [20] |
| Crosses of the plus race with the minus race | [22] |
| Summary of results | [22] |
| Discussion | [23] |
| The “mutant” series | [25] |
| Bibliography | [31] |
| Tables | [32-54] |
| Explanation of plates | [56] |