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|Type:||Artigo de periódico|
|Title:||Y-LINKED SUPPRESSORS OF THE SEX-RATIO TRAIT IN DROSOPHILA-MEDIOPUNCTATA|
|Abstract:||X-linked meiotic drive causing female-biased progenies is known to occur in nine Drosophila species and is called 'sex-ratio'. In D. mediopunctata this trait is associated with the X:21 chromosome inversion and has variable expression. We describe here a powerful Y-linked suppressor system of sex-ratio expression in this species. There are two types of Y chromosomes (suppressor and nonsuppressor) and two types of X:21 chromosomes (suppressible and unsuppressible). Sex-ratio expression is suppressed in males with the 21 (suppressible)/Y-suppressor genotype, whereas the remaining three genotypes produce female-biased progenies.|
SEX RATIO EVOLUTION
|Editor:||Nature Publishing Group|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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