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From gene to phene: Scientists demonstrate genetic control of phenotypic variability

One of the most challenging problems in biology is the extreme difficulty in predicting phenotype from genotype – and the questions it creates: If we could rear genetically identical individuals from a variety of genetic backgrounds and rear them in the same environment, how much phenotypic variation between individuals of the same genotype would we see? Would different genetic backgrounds differ in their degree of variability? What would account for these differences?

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2327d ago