NEET 1997 · Class 12
Principles of Inheritance and Variation
Genetic identity of a human male is determined by (1997)
- (A)sex-chromosome
- (B)cell organelles
- (C)autosome
- (D)nucleolus
The NCERT line that answers it
Verbatim lineA pair of X-chromosomes are present in the female, whereas the presence of an X and Y chromosome are determinant of the male characteristic.
- Chapter
- Principles of Inheritance and Variation
- Section
- 4.6.1 Sex Determination in Humans
- Page
- 20
- Words matched
- 24 of 24
The answer appears as a continuous sentence in NCERT. This is that sentence.
How this line gives the answer
3333, emb=1.0, combined=0.7333). Verified: high — The span explicitly states that the presence of X and Y chromosomes determines male characteristics, which directly corresponds to the genetic identity of a human male being determined by sex chromosomes.
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Question text is reproduced from the published NEET 1997 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.