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Male remating in Drosophila ananassae: evidence for interstrain variation for remating time and shorter duration of copulation in second mating

Singh, Shree Ram (2000) Male remating in Drosophila ananassae: evidence for interstrain variation for remating time and shorter duration of copulation in second mating. [Preprint]

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Abstract

ABSTRACT—In Drosophila ananassae, male remating was studied using ten mass culture stocks which were initiated from flies collected from different geographic localities. Male remating occurs at a high fre-quency and varies within narrow limits (84–96 percent) in different strains. Interestingly, male remating time (in min) varies from 7.41 (Bhutan) to 21.59 (PAT) in different strains and the variation is highly significant. Further, the results also show that males copulate for shorter duration during second mating. This is the first report in the genus Drosophila which provides evidence for interstrain variations for male remating time as well as for shorter duration of copulation during second mating as compared to first mating in D. ananassae.

Item Type:Preprint
Keywords:Male remating, male mating success, Drosophila ananassae, duration of copulation, remating time
Subjects:Biology > Animal Behavior
ID Code:1949
Deposited By:Singh, Shree Ram
Deposited On:01 Dec 2001
Last Modified:12 Sep 2007 17:42

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