mortality/aging
• mutation leads to death at all ages but especially during the neonatal period
• a few mutants survive to three or four months of age
|
growth/size/body
• dorso-ventral flattening of the skull
|
• mutants are three-quarters normal size at birth
• initial growth rate is near normal but growth of mutants begin to lag
• body proportions are normal
|
weight loss
(
J:13076
)
reproductive system