Variant: rs587777233 

    present in Gene: EDN1
    present in Chromosome: 6
    Position on Chromosome: 12292467
    Alleles of this Variant: T/A

rs587777233 in EDN1 gene and QUESTION MARK EARS, ISOLATED PMID 24268655 2013 Mutations in endothelin 1 cause recessive auriculocondylar syndrome and dominant isolated question-mark ears.