Mice homozygous for the oarleg mutation display improper orientation of one or both hind limbs and when lifted by the tail they point their toes straight outward and hold the hind limbs stiffly in a manner that makes the appendage resemble an oar.  An abnormal gait appears by approximately 2 weeks of age.  Despite this, no obvious aberrations of the skeleton have been found and these mutants can orient and swim in water.


Homozygous mutants exhibit an abnormal gait and limb position of hind legs.

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