Report backs Endangered Species Act

Article Abstract:

The National Research Council of the National Academy of Sciences issued a report supporting the continuation of the Endangered Species Act. The report praised the scientific basis of the law and defended the policy of protecting subspecies and isolated populations.

Laws, regulations and rules, Endangered species, Environmental policy, National Research Council

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Tracing backbone evolution through a tunicate's lost tail

Article Abstract:

Researchers have identified a gene called Manx that regulates the development of vertebrate-like characteristics in tunicate embryos. The gene is crucial to tail development and is missing in tailless species.

Developmental biology, Embryology, Animal embryology, Tunicata, Tunicates

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Studly sheep by non-Mendelian means

Article Abstract:

Genetic researchers have discovered that a rare and complex pattern of inheritance can control sheep phenotype. Expression of a gene for muscular buttocks depends on both parent of origin and genotype.

Gene expression, Sheep, Sheep breeding

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