X-linked recessive conditions are caused by a gene alteration on the X chromosome.
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Meconium ileus caused by thick, mucoid meconium , respiratory bronchiectasis, Pseudomonas pneumonia, pancreatic insufficiency, hypertonic high Cl - concentration sweat.
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X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be expressed in males who are necessarily hemizygous for the gene mutation because they have one X and one Y chromosome and in females who are homozygous for the gene mutation, see zygosity.