Which of the following are Mendelian disorders?
(A) Cystic fibrosis
(B) Phenylketonuria
(C) Adenosine deaminase deficiency
(D) Haemophilia
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (A), (B) and (D) only
Cystic fibrosis – Mendelian disorder (autosomal recessive)
Phenylketonuria – Mendelian disorder (autosomal recessive)
Haemophilia – Mendelian disorder (sex-linked recessive)
Adenosine deaminase (ADA) deficiency is generally discussed under Severe Combined Immunodeficiency (SCID)
Therefore, Option 2 is correct.