Question

Read the following statemenets and choose the correct option
I. Failure of segregation of chromatids duringt cell division results in aneuploidy
(II) Chromposomal disorders are maninly determined buy alteration or mutation in a single gene
(III) Thalassemia and cystic fibrosis are Mendelian disorders
(IV) Sickle cell anameia is an X- linked trait ltbvrgt (V) Haemophilia is an autosome linked recessive disease
A. I and III alone are correct
B. I, III, and IV alone are correct
C. III and IV alone are correct
D. II and IV alone are correct.

Answer 1

Correct Answer - A
Mendelian disorders are mainly determined by alteration of mutation in a single gene.
Sickle cell anaemia is an autosome-linked trait.
Haemophilia is an X-linked recessive disease.