Large scale molecular analysis of traditional European maize populations: relationships with morphological variation

Article Abstract:

A study has been carried out to evaluate the potential of a given approach for arriving at a better understanding of European maize diversity. To use RFLPs for the analysis of large samples of populations, a DNA polled sampling strategy was developed. It was efficient for the analysis of maize populations, providing a convenient tool for the molecular analysis of large collections of populations. A representative sample of 130 European traditional maize populations was analyzed for morphological and molecular variation.

Corn, Botany, Plant morphology

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Evolution of genetic variability in a population of the edible snail, Helix aspersa Muller, undergoing domestication and short-term selection

Article Abstract:

Evolution of genetic variability has been studied in six successive generation of a population originating from wild Helix aspersa. Short-term selection and domestication were of interest. In the first three no artificial selection was used, but in the next three a control line selected for greater adult weight was reared. A pedigree analysis was carried out. Results, the drop in the effective number of ancestors, were consistent with the theory of selection and the Bulmer effect.

Natural selection, Evolution (Biology), Evolution, Snails, Edible, Edible snails

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