behavior/neurological
• heterozygotes with a maternally inherited allele made more entries into a novel environment but spent less time in the novel environment
|
hyperactivity
(
J:97634
)
• increased activity is seen in heterozygotes with a maternally inherited allele on the first day of testing; however both groups habituated over time
|
nervous system
N |
• whole tissue levels of norepinephrine, dopamine and 5-hydroxytryptamine are normal
|
cellular
• heterozygotes inheriting the allele from the mother display a phenotype while heterozygotes inheriting the allele from the father are similar to wild-type and are used as controls
|