: BDD is primarily an inherited trait caused by a mutation in the HOXD13 gene . It follows an autosomal dominant pattern, meaning it can be passed down if only one parent has the gene.
: The thumb appears short and round, often accompanied by a wider, flatter nail bed. While the thumb may appear "curvy" or stubby, the other fingers remain unaffected. curvy mature thumbs
: This is the most common form of digital shortening, affecting approximately 2% of the population . : BDD is primarily an inherited trait caused