Q. Choose the correct option for the chromosomal disorders I. Colour blindness II. Down’s syndrome III. Phenylketoria IV. Turner’s syndrome V. Thalassaemia
A) I, II and III
B) II, IV and V
C) III, IV and V
D) II and IV
Explanation
Chromosomal Disorders These genetic disorders are caused due to absence or excess or abnormal arrangement of one or more chromosomes. These are non-heritable and pedigree analysis of a family does not help in tracing the pattern of inheritance of such chromosomal disorders. These are of two types abnormalities due to aneuploidy and aberrations either autosome or in sex chromosomes
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.