‘Sex-Ratio’: a Non-Mendelian Character in Drosophila bifasciata

‘Sex-Ratio’: a Non-Mendelian Character in Drosophila bifasciata

ON three independent occasions an exceptional trait has been recovered in collections from Nature of females of D. bifasciata : in Pavia in 1943 1 and 1947, and in Mergozzo (Lago Maggiore) in 1947. This trait expresses itself in an abnormal sex-ratio of offspring from females mated to any type of ma...

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Veröffentlicht in:Nature (London) 1953-07, Vol.172 (4367), p.81-81
1. Verfasser: MAGNI, G. E.
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Diptera
Drosophila
Humanities and Social Sciences
letter
multidisciplinary
Old Medline
Science
Science (multidisciplinary)
Sex Ratio
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Beschreibung
Zusammenfassung:ON three independent occasions an exceptional trait has been recovered in collections from Nature of females of D. bifasciata : in Pavia in 1943 1 and 1947, and in Mergozzo (Lago Maggiore) in 1947. This trait expresses itself in an abnormal sex-ratio of offspring from females mated to any type of male. By analogy with previously described cases 2 , the character has been designated as ‘sex-ratio’. The strain used in the experiments discussed here originated from the 1947 collection in Pavia. The behaviour of this stock can be summarized as follows.
ISSN:0028-0836
1476-4687
DOI:10.1038/172081a0