mortality/aging
• only 45% of homozygotes survived birth and grew to adulthood
|
• homozygous mutant pups from heterozygous matings were obtained at less than half (45%) the expected number, suggesting a high frequency of embryonic or perinatal lethality
|
nervous system
exencephaly
(
J:256438
)
• at E12.5, 9 of 18 (50%) embryos resulting from 2 homozygous crosses exhibited exencephaly
|
vision/eye
• all adult homozygotes whose eyes were dissected (5 of 5) had persistent hyaloid vasculature that was pigmented and bilateral
|
pigmentation
• all surviving homozygotes had a white belly spot; a few also had a white spot on the back
|
belly spot
(
J:256438
)
• all surviving homozygotes had a white belly spot
|
limbs/digits/tail
syndactyly
(
J:256438
)
• ~50% of adult homozygotes had webbed digits, usually on the forelimbs
|
kinked tail
(
J:256438
)
• ~50% of adult homozygotes had a kink near the tip of the tail
|
integument
• all surviving homozygotes had a white belly spot; a few also had a white spot on the back
|
belly spot
(
J:256438
)
• all surviving homozygotes had a white belly spot
|