The balanced lethal system of crested newts
نویسندگان
چکیده
منابع مشابه
The balanced lethal system of crested newts: a ghost of sex chromosomes past?
Balanced lethal systems are more than biological curiosities: as theory predicts, they should quickly be eliminated through the joint forces of recombination and selection. That such systems might become fixed in natural populations poses a challenge to evolutionary theory. Here we address the case of a balanced lethal system fixed in crested newts and related species, which makes 50% of offspr...
متن کاملThe balanced lethal system of crested newts: A ghost of sex chromosomes past?
Balanced lethal systems are more than biological curiosities: as theory predicts, they should quickly be eliminated through the joint forces of recombination and selection. That such systems might become fixed in natural populations poses a challenge to evolutionary theory. Here we address the case of a balanced lethal system fixed in crested newts and related species, which makes 50% of offspr...
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The Gartcosh Industrial Site, North Lanarkshire is home to the largest known population of great crested newts (Triturus cristatus,) in Scotland. Economic development of the site required the translocation of the great crested newt and four other amphibian species from existing ponds to a purpose built reserve around the periphery. Monitoring the effectiveness of translocation as a mitigation m...
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متن کاملAsymmetric viability of reciprocal-cross hybrids between crested and marbled newts (Triturus cristatus and T. Marmoratus).
Hybridization between divergent lineages often results in reduced hybrid viability. Here we report findings from a series of independent molecular analyses over several seasons on four life stages of F1 hybrids between the newts Triturus cristatus and T. marmoratus. These two species form a bimodal hybrid zone of broad overlap in France, with F1 hybrids making up about 4% of the adult populatio...
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ژورنال
عنوان ژورنال: Heredity
سال: 1994
ISSN: 0018-067X,1365-2540
DOI: 10.1038/hdy.1994.96