<prompt> Which is not a feature of Kallman syndrome?MicropenisPrimary amenorrheaMirror movements of handsMental retardation  <response>: Kallman Syndrome occurs due to defective synthesis of GnRH Gonadotropin releasing hormone. KAL gene is X linked. During fetal life, the GnRH neurons originate in Olfactory Placode and then migrate along fetal olfactory neuron. They eventually wend their way to the hypothalamus. Presenting features Associated with Males: delayed pubey and micro-penis. Females: Primary amenorrhea and failure of development of secondary sexual characteristics Anosmia Colour blindness, optic atrophy SN deafness Mirror movements of hands synkinesia Cleft palate Renal abnormalities Mirror movements 