Chromosomal non-disjunction responsible for all except: (A) Down's syndrome, (B) Neurofibromatosis type 1, (C) Pradderwilli syndrome, (D) Angleman syndrome
Answer is B. Answer- B. Neurofibromatosis type 1MonosomyTurner syndrome (45XO)Autosomal trisomyDowns syndrome- Trisomy 2lEdwards syndrome- Trisomy 18Patau syndrome- Trisomy 13Sexchromosome aneuploidyKleinfelter syndromeXYY maleUniparentral disomyPradder willi angleman syndromeMosiacismPallister killian syndromeHypomelanosis of ito