hypomorphic allele - genetic evidence
decreased rate of movement | recessive
uncoordinated
uncoordinated (with nSybF33)
viable
Transheterozygotes with n-sybF33 or n-sybΔF33B can survive to adulthood, but the flies are very sluggish and often remain motionless for minutes at a time. n-sybI4/n-sybF33 adults are very uncoordinated.