Abstract
Summary
The hemoglobin pattern of the Mexican axolotl does not change with induced metamorphosis. In contrast, that of the related spotted salamander does change with natural metamorphosis. The genetic information required for metamorphic changes in hemoglobin pattern as well as that for spontaneous metamorphosis may have been lost or become inactive in laboratory strains of the Mexican axolotl.
This study has been supported by a grant from the American Heart Association and by National Institutes of Health Grant No. AM-10485 and Training Grant No. HE-5688.
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