Karyotyping is useful in diagnosis of -: (A) Autosomal recessive disorders, (B) X-linked recessive disorders, (C) Chromosomal abnormalities, (D) Biochemical abnormalities
Answer is C. Ans. is 'c' i.e., Chromosomal abnormalitieso Karyotyping is the study of chromosomes and is used in cytogenetics to study the chromosomal abnormalities. o After arresting the cells in metaphase the chromosomes are examined to see for:(i) Numbers --> to detect abnormalities in chromosome numbers such as aneuploidy (trisomy, tetrasomy), polyploidy.(ii) Structure ---> to detect structural chromosomal anomalies such as translocations, deletions, inversions.