Heterochromosomen beiVipera berus L. (Viperidae,Serpentes) |
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| Authors: | H R Kobel |
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| Institution: | (1) Zoologisches Museum der Universität Zürich, Schweiz |
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| Abstract: | Summary A dimorphic pair of chromosomes was found among the macrochromosomes in mitosis of females ofVipera berus L. It corresponds to a pair of medium-sized chromosomes in the male. The conclusion is drawn that females are heterogametic (ZW-type), males being homogametic (ZZ-type). Similar observations were made inVipera aspis L.,Natrix natrix L., andNatrix maura L. |
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