If a person has 44 autosomes + XXY, he will suffer from:
Correct answer: A. Klinefelter's syndrome
- A. Klinefelter's syndrome
- B. Down's syndrome
- C. Turner's syndrome
- D. Edward's syndrome
Explanation
The correct answer is Klinefelter's syndrome. Klinefelter's syndrome is characterized by the presence of an additional X chromosome in males, resulting in a karyotype of 47,XXY. This condition can lead to various physical, hormonal, and developmental differences in affected individuals.
This question appeared on the UHS MDCAT 2012 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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Mental retardation, short stature, broad face and squint eyes are the symptoms of:
When chromosomes uncoil, the nucleoli are reformed and two nuclei are the two poles of the cell; stage is known as:
In which phase of the cell division is the metabolic activity of the nucleus is high?
In Down's syndrome, which one of the following pair of chromosome fails to segregate?
Down's syndrome is a result of non-disjunction of_ pair of chromosomes that fails to segregate:
The most critical phase of mitosis which ensures equal distribution of chromatids in the daughter cells is: