Inheritance of behavioral and neuroanatomical phenotypical variance: hybrid mice are not always more stable than inbreds.

Abstract excerpt

Many investigators have attempted to confirm the prediction that increased levels of heterozygosity entail greater developmental stability, manifesting itself through decreased phenotypical variation. The evidence presented so far is equivocal. The predicted relationship has been found in some morphological studies, but not in others. I propose that the variability of a character should be seen as different from...

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