mortality/aging
• born in normal numbers
• reduced vitality and frequently die before weaning
|
growth/size/body
• smaller than littermates within a few days of birth
|
nervous system
• fusion of cerebellar lobules IV and V
• Background Sensitivity: otherwise phenotypically normal cerebellum is seen as early as the third backcross generation to C57BL/6 and thereafter
|
• mild truncation seen in the midbrain in the area of the inferior colliculi
|
limbs/digits/tail
• fur growth on the ventral surface of the forepaws
|
• circumferential nails on all digits
|
polydactyly
(
J:84363
)
• 6th postaxial digit
• ectopic digits
|
syndactyly
(
J:84363
)
integument
• circumferential nails on all digits
|