Somatic polyploidy in extraembryonic membranes of the snake,Elaphe guttata |
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| Authors: | R Meyer W Nagl |
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| Institution: | (1) Division of Cell Biology, Kaiserslautern University, P.O. Box 3049, D-W-6750 Kaiserslautern, Federal Republic of Germany |
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| Abstract: | Summary Video-densitometric DNA measurements of Feulgenstained tissues of 42 day old eggs of the corn snake,Elaphe g. guttata (Columbridae, Serpentes), revealed a basic DNA content of 2C=2.17 pg, with somatic polyploidy in the allantois, the chorioallontois, the yolk sac, and other extraembryonic membranes. The maximum value determined was 128C (in binucleate cells 2×128C) at the distal pole of the egg. This is the first report of somatic polyploidy in a snake, and one of the first in reptiles in general. |
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| Keywords: | Allantois 2C DNA content Egg Elaphe Somatic polyploidy Reptilia Yolk sac |
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