منابع مشابه
Phenotypic evolution and parthenogenesis
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متن کاملautopolyploidy and parthenogenesis in animals
6 1 Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), 7 Im Neuenheimer Feld 580, 69120 Heidelberg, Germany 8 2 Institute for Environmental Sciences, University of Koblenz-Landau, Forststrasse 7, 76829 9 Landau, Germany 10 3 Institute of Pharmacy and Biochemistry, Johannes Gutenberg-University Mainz, 11 Staudingerweg 5, 55128 Mainz, Germany 12 * present address: ...
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Parthenogenetic activation of human oocytes obtained from infertility treatments has gained new interest in recent years as an alternative approach to create embryos with no reproductive purpose for research in areas such as assisted reproduction technologies itself, somatic cell, and nuclear transfer experiments and for derivation of clinical grade pluripotent embryonic stem cells for regenera...
متن کاملStick insects: parthenogenesis, polyploidy and beyond
The most common way animals reproduce is bisexuality, namely through the mixis of male and female gametes. Bisexual reproduction relies on the Mendelian mechanism, although several additional modes also occur. In turn, the Mendelian inheritance of genetic variability stands on the meiotic process, which entrains recombination and chromosome reshuffling within the frame of a balanced segregation...
متن کاملMorphological and Physiological Correlates of Hybrid Parthenogenesis
Asexuality frequently evolves in association with hybridity and polyploidy. The phenotypic consequences of this association must be understood before we can fully appreciate the reason for the short-term success, and the long-term failure, of asexual genetic systems. Parthenogenetic forms within the Australian gecko complex Heteronotia binoei are triploid hybrids and overlap geographically with...
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ژورنال
عنوان ژورنال: Nature
سال: 1904
ISSN: 0028-0836,1476-4687
DOI: 10.1038/069392a0