NEET 2016 · Class 12

Principles of Inheritance and Variation

Which of the following most appropriately describes haemophilia ? [NEET 2016 P1]

  1. (A)Dominant gene disorder
  2. (B)Recessive gene disorder
  3. (C)X-linked recessive gene disorder
  4. (D)Chromosomal disorder

The NCERT line that answers it

Verbatim line

This sex linked recessive disease, which shows its transmission from unaffected carrier female to some of the male progeny has been widely studied.

Chapter
Principles of Inheritance and Variation
Section
4.8.2 Mendelian Disorders

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'This sex linked recessive disease', which directly identifies haemophilia as X-linked recessive, matching option C and distinguishing it from other options.

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