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) Genomic imprinting, (D) Uniparental disomy
Answer is D. Ans. is 'd' i.e., Uniparental disomy