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Biol Bull 111: 45-52. (August 1956)
© 1956 Marine Biological Laboratory
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STUDIES ON CROSS-FERTILIZATION AND SELF-FERTILIZATION IN LYMNAEA STAGNALIS APPRESSA SAY

GERTRUDE L. CAIN 1

1 Department of Zoology, University of Wisconsin, Madison, Wisconsin

1. Albinism in Lytmnaea stagnalis appressa Say is inherited as a simple Mendelian recessive.

2. Cross-fertilization greatly exceeds self-fertilization in snails allowed to crosscopulate.

3. Transferred sperm may remain viable in the body of the recipient snail for as longas 116 days.

4. It is unlikely that foreign sperm are stored as high up in the reproductive tract as the seminal vesicles, since albino snails previously impregnated by pigmented snails and later mated to virgin albinos engender no pigmented offspring in the latter.




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 Integr. Comp. Biol.Home page
J. M. Koene
Tales of two snails: sexual selection and sexual conflict in Lymnaea stagnalis and Helix aspersa
Integr. Comp. Biol., August 1, 2006; 46(4): 419 - 429.
[Abstract] [Full Text] [PDF]


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