Which of the following most appropriately describes haemophilia?

A Chromosomal disorder
B Dominant gene disorder
C Recessive gene disorder
D \(X\)-linked recessive gene disorder

Verified Solution

Answer & Solution

Correct Answer

(D) \(X\)-linked recessive gene disorder

Step-by-step Solution

Detailed explanation

(d): Haemophilia is a sexlinked disease. It occurs due to the presence of a recessive sex linked gene \(h\), which is carried by \(X\)-chromosome.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Which of the following statements are correct regarding amino acids ?
A. They are substituted methanes.
B. Serine is an aromatic amino acid.
C. Valine is a neutral amino acid.
D. Lysine is an acidic amino acid.
Choose the correct answer from the options given below :

NEET 2026 Easy

Match column \(I\) with column \(II\) and select the correct option using the codes given below.

Column \(-I\)	Column \(-II\)
\((A)\) Citric acid	\((i)\) Trichoderma
\((B)\) Cyclosporin \(A\)	\((ii)\) Clostridium
\((C)\) Statins	\((iii)\) Aspergillus
\((D)\) Butyric acid	\((iv)\) Monascus

NEET 2016 Medium

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