Pathology Two siblings were diagnosed with Osteogenesis imperfecta. But their parents are normal. Mechanism of inheritance is: A Anticipation B Genomic imprinting C Germ line mosaicism D New mutation 💡 Explanation Two siblings were diagnosed with Osteogenesis imperfecta. But their parents are normal. Mechanism of inheritance is: ✓ Correct Answer: C. Germ line mosaicism