NEET 2025 · Class 12

Molecular Basis of Inheritance

Which chromosome in the human genome has the highest number of genes?

  1. (A)Chromosome 1
  2. (B)Chromosome 10
  3. (C)Chromosome X
  4. (D)Chromosome Y

The NCERT line that answers it

Verbatim line

Chromosome 1 has most genes (2968), and the Y has the fewest (231).

Chapter
Molecular Basis of Inheritance
Section
5.9.1 Salient Features of Human Genome
Page
25
Words matched
13 of 13

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 'Chromosome 1 has most genes (2968)', which directly answers the MCQ by identifying chromosome 1 as having the highest gene count and distinguishes it from the other options.

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Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

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Question text is reproduced from the published NEET 2025 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.