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1916 Non-disjunction as proof of the chromosome theory of heredity
Author: C. B. Bridges
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" BRIDGES, CALVIN B., NONDISJUNCTION AND THE CHROMOSOME THEORY (38 89 90 84 g 04 374 - 187 1" // h7 .M) 1.1' .il. IN THIS CHART: Each generation is represented by a vertical column. Each culture, which is the offspring of a single female, is represented by the Rage- number of a note-book, as e.g., 339. The nature of the parents of each culture is indicated by the character of the con- necting line. A struight line indicates that a daughter of the preceding culture was tested by outcrossing to a male of another stock and gave the results of the culture to which the line leads. A wuvy line indicates the outcrossing of a son. A light line indicates a regulor daughter ( ) or a regular son (-- ). A heavy line indicates the outcrossing of an exceptional daughter ( A kcpet?, broken line (- - - - - .) indicates the outcrossing of an equational daughter. When more than one mating of a given kind was made the resulting cultures are inclucled in a brace of the same chararter as the preceding line. The nature of the offspring in each culture is indicated by the character of the type with which the culture-number is printed. The number prefixed to each brace gives the number of the table in this paper in which complete details of each culture are gwen. Exceptions appeared in those cultures printed in italics. No exceptions appeared in those cultures printed in Roman type. Black fare type indicates the occurrence of eq~'onu1 doughters. Cultures from which mating; were made are printed in LARGER TYPE. ) or of an exceptional son (A-). GENETICS 1: Ja 1916 317 318 340 343 344 as0 sa 1 ,sa% (197.9 1226 .A[: . 1378 "
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