Skin In congenital dystrophic variety of epidermolysis bullosa, mutation is seen in the gene coding for: A Laminin 4 B Collagen type 7 C Alpha 6 integrin D Keratin 14 💡 Explanation In congenital dystrophic variety of epidermolysis bullosa, mutation is seen in the gene coding for: ✓ Correct Answer: B. Collagen type 7