<prompt> A child with alopecia, hyperpigmentation psoriatic dermatitis in genitals mouth and hypogonadism is likely to be suffering fromCu defeciencyIron deficiencyZn deficiencyMg deficiency  <response>: Features of Zinc deficiency include :Dwarfism growth retardation DiarrheaDermatitisHepatosplenomegalyIron deficiency anemiaAcrodermatitis enteropathicaDecreased immunocompetancePoor wound healingHyperpigmentationHypogonadismPerioral rashLoss of hair and taste alterations may also be seen.The patient in question presents with lzyperpigmentation, hypogonadisin, dermatitis and alopecia, all of which may be seen with Zinc deficiency. 