Q. A disease caused by an autosomal primary non-disjunction is :
A) Down's Syndrome
B) Klinefelter's Syndrome
C) Turner's Syndrome
D) Sickle Cell Anemia
Explanation
[Solution] Down's syndrome (trisomy 21) results from non-disjunction of an autosome; Klinefelter's and Turner's involve sex chromosomes. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.