THE RELATIVE INFLUENCE OF SEX OF PROGENY ON THE LETHAL EXPRESSION OF THE SONLESS GENE IN DROSOPHILA MELANOGASTER | Zendy

James J Colaianne | Zendy; A. E. Bell | Zendy

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THE RELATIVE INFLUENCE OF SEX OF PROGENY ON THE LETHAL EXPRESSION OF THE SONLESS GENE IN DROSOPHILA MELANOGASTER

Author(s) -

James J Colaianne,

A. E. Bell

Publication year - 1972

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/72.2.293

Subject(s) - doublesex , biology , drosophila melanogaster , genetics , allele , gene , mutant , melanogaster , lethal allele , rna , rna splicing

The sex-linked maternally influenced lethal gene, sonless (snl), in D. melanogaster was shown to affect the survival of daughters as well as sons of snl/snl mothers but to a lesser degree. Interaction studies of sonless with the sex altering mutants transformer (tra) and doublesex (dsx) revealed that any alteration toward increased masculinity of progeny from snl/snl females reduced their zygotic viability, independent of snl dosage or Y chromosome presence or absence. Possible implications of these results are discussed and the original gene action hypothesis for snl is extended to incorporate these new findings.—Sonless is non-allelic but closely linked to rudimentary (r) and fused (fu), two mutants with similar sex-ratio patterns.

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