Home Biology Principles of Inheritance and Variation Which of the following statements are the co…
Biology Principles of Inheritance and Variation Single Correct MCQ
Published on: August 20, 2026

Which of the following statements are the correct?

i. Failure of segregation of chromatids during cell division results in aneuploidy.

ii. Chromosomal disorders are mainly determined by alteration or mutation in a single gene.

iii. Thalasemia and cystic fibrosis are Mendelian disorders.

iv. Sickle cell anemia is an X-linked trait.

v. Haemophilia is an autosome linked recessive disease.

A
i and iii
B
i, iii and iv
C
iii and iv
D
ii and iii

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