Transcriber's note: | A few typographical errors have been corrected. Theyappear in the text like this, and theexplanation will appear when the mouse pointer is moved over the markedpassage. |
BY
T. H. MORGAN and C. B. BRIDGES
WASHINGTON
Published by the Carnegie Institution of Washington
1916
CARNEGIE INSTITUTION OF WASHINGTON
Publication No. 237.
PRESS OF GIBSON BROTHERS, INC.
WASHINGTON, D. C.
PAGE. | |
Part I. Introductory | 5 |
Mendel's law of segregation | 5 |
Linkage and chromosomes | 5 |
Crossing-over | 7 |
The Y chromosome and non-disjunction | 8 |
Mutation in Drosophila ampelophila | 10 |
Multiple allelomorphs | 11 |
Sex-linked lethals and the sex ratio | 14 |
Influence of the environment on the realization of two sex-linked characters | 16 |
Sexual polymorphism | 17 |
Fertility and sterility in the mutants | 18 |
Balanced inviability | 19 |
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