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abstract: |-
ABSTRACT—In Drosophila ananassae, female remating with respect to productivity and sperm displace-ment
was studied by employing different mutant strains and a wild type strain. In all the experiments, the
continuous confinement technique was used. The comparison of productivity between once-mated (control)
and remated females reveals that the productivity of remated females is significantly higher than that of
once-mated ones in all the crosses. The P2´ values (the proportion of second male progeny produced after
remating) were calculated to test sperm displacement in each cross of remated females. In all the crosses,
high P2´ values (0.91–0.94) were found which indicate sperm precedence of second male to mate suggest-ing
the existence of sperm displacement in D. ananassae. Furthermore, female productivity is increased
after remating in D. ananassae.
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creators_name:
- family: Singh
given: Shree Ram
honourific: ''
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date: 2001-03
date_type: published
datestamp: 2001-12-01
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eprintid: 1948
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keywords: 'female remating, sperm precedence, sperm displacement, sperm competition, sexual selection, productivity, Drosophila ananssae'
lastmod: 2011-03-11 08:54:50
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referencetext: |
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rev_number: 12
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status_changed: 2007-09-12 16:42:00
subjects:
- bio-evo
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title: 'Female remating in Drosophila ananassae: evidence for sperm displacement and greater productivity after remating'
type: preprint
userid: 2424
volume: ~