Typical symptoms like enlarged breasts and small testis in male are attributed to:
Correct answer: C. Klinefelter's Syndrome
- A. Down's Syndrome
- B. Turner's Syndrome
- C. Klinefelter's Syndrome
- D. Phenylketonuria
Explanation
Klinefelter's Syndrome is a genetic disorder that affects males and is characterized by the presence of an extra X chromosome (XXY instead of XY). This condition can lead to a variety of symptoms, including enlarged breasts (gynecomastia), small testes, and infertility.
This question appeared on the UHS MDCAT 2015 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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Non-disjunction of the 21st pair of chromosomes in one of the gametes leads to 47 chromosomes in one individual. This condition is called
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