Temperature determination of male outcrossing ability in a simultaneous hermaphrodite

S. J. Schrag; A. F. Read

doi:10.1111/j.1558-5646.1992.tb01162.x

Temperature determination of male outcrossing ability in a simultaneous hermaphrodite

S. J. Schrag, A. F. Read

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24 Scopus citations

Abstract

Phally is a genital dimorphism found in some species of self-compatible simultaneous hermaphrodites. Both aphallics and euphallics can self-fertilize but only euphallics develop a functional penis and prostate allowing them to donate sperm. Previous studies of phally in the gastropod Bulinus truncatus (Mollusca: Pulmonata) suggest that phally may be under direct genetic control in some populations and strongly influenced by environmental factors in others. Experiments identify temperature as a cue affecting phally determination in two populations. A higher proportion of euphallics was produced at low temperature (22 ± 1°C) than at high temperature (30 ± 1°C). -from Authors

Original language	English (US)
Pages (from-to)	1698-1707
Number of pages	10
Journal	Evolution
Volume	46
Issue number	6
DOIs	https://doi.org/10.1111/j.1558-5646.1992.tb01162.x
State	Published - 1992

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Genetics
General Agricultural and Biological Sciences

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10.1111/j.1558-5646.1992.tb01162.x

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title = "Temperature determination of male outcrossing ability in a simultaneous hermaphrodite",

abstract = "Phally is a genital dimorphism found in some species of self-compatible simultaneous hermaphrodites. Both aphallics and euphallics can self-fertilize but only euphallics develop a functional penis and prostate allowing them to donate sperm. Previous studies of phally in the gastropod Bulinus truncatus (Mollusca: Pulmonata) suggest that phally may be under direct genetic control in some populations and strongly influenced by environmental factors in others. Experiments identify temperature as a cue affecting phally determination in two populations. A higher proportion of euphallics was produced at low temperature (22 ± 1°C) than at high temperature (30 ± 1°C). -from Authors",

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year = "1992",

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AU - Schrag, S. J.

AU - Read, A. F.

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AB - Phally is a genital dimorphism found in some species of self-compatible simultaneous hermaphrodites. Both aphallics and euphallics can self-fertilize but only euphallics develop a functional penis and prostate allowing them to donate sperm. Previous studies of phally in the gastropod Bulinus truncatus (Mollusca: Pulmonata) suggest that phally may be under direct genetic control in some populations and strongly influenced by environmental factors in others. Experiments identify temperature as a cue affecting phally determination in two populations. A higher proportion of euphallics was produced at low temperature (22 ± 1°C) than at high temperature (30 ± 1°C). -from Authors

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DO - 10.1111/j.1558-5646.1992.tb01162.x

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SP - 1698

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JO - Evolution

JF - Evolution

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ER -

Temperature determination of male outcrossing ability in a simultaneous hermaphrodite

Abstract

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