The Japanese Journal of Genetics
Online ISSN : 1880-5787
Print ISSN : 0021-504X
ISSN-L : 0021-504X
CRUMPLOID, A SEX-LINKED CHARACTER OF DROSOPHILA ANANASSAE
Daigoro MORIWAKI
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1935 Volume 11 Issue 6 Pages 302-307

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Abstract

1. A new mutant crumploid (cl) appeared in Drosophila ananassae from a stock of ct. The gene of cl is sex-linked recessive with a complex expression affected by certain modifiers.
2. The degree of the expression of cl seems to vary from false normal to crumploid with lethal effect. In the male the expression is reduced considerably, resulting in excess of males.
3. There is a linear correlation, rough as it is, between the frequency of crumploid in the female and that in the male.
4. The modifiers are believed to be positive and that they could be made to accumulate by means of selection.
5. The locus of cl is 91.8±, situated very closely to ct in the X-chromosome.

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