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Biol Bull 94: 208-211. (June 1948)
© 1948 Marine Biological Laboratory
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INFLUENCE OF GENETIC ENVIRONMENT ON THE REDUCTION OF BRISTLES BY THE DICHAETE GENE IN DROSOPHILA MELANOGASTER

SIDNEY MITTLER 1

1 Illinois Institute of Technology, Chicago Illinois

A highly inbred Dichaete (D) stock of D. melanogaster was crossed to isogenic stocks carrying various mutations, which by themselves had no apparent effect upon thoracic bristles. The Curly gene (C y) in combination with D decreased the average number of one half the thoracic bristles from 10.634 ± 0.306(malemale) to 8.724 ± 0.742. The C y gene is an inversion on the second chromosome, and it aids the D gene, which is on the third, in the removal of a larger number of bristles. Vestigial (vg) and heldout (ho) increase the bristle number to 11.520 ± 0.521 and 12.818 ± 0.149 respectively. Vg and ho increase the larval life, and disrupt the production of a wild type wing.






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Copyright © 1948 by the Marine Biological Laboratory.