Which chromosomal abnormality in humans causes aggressive and antisocial behavior?
Correct answer: C. XYY
- A. XO
- B. XXY
- C. XYY
- D. XXX
Explanation
[A] XO chromosomal abnormality results in Turner syndrome which does not causes aggression and antisocial behaviour[B] XXY,Klinefelter syndrome does not result in aggressions and antisocial behaviour[C] XYY (supermale) may act on brain's lambic system which regulates man's most primitive drives,including his impulse towards violence,aggression[D] XXX is a metafemale syndrome.
This question appeared on the UHS MDCAT 2010 paper, which you can sit online with every answer explained.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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