Pediatrics In an Autosomal Recessive (AR) disorder, one parent is normal and the other is carrier and the child is also affected. What is the reason A Germ line mosaicism B Genomic imprinting C Penetration D Uniparental disomy 💡 Explanation In an Autosomal Recessive (AR) disorder, one parent is normal and the other is carrier and the child is also affected. What is the reason ✓ Correct Answer: D. Uniparental disomy