The number of chromosomes in Down's syndrome is
The number of chromosomes in Down's syndrome is
- [AIPMT 2005]
- A
$23^{rd}$ pair with one less $= 45$
- B
$21^{st}$ pair with one more $= 47$
- C
$17^{th}$ pair with one more $= 47$
- D
One extra sex chromosome $= 47$
Similar Questions
A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in
A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in
- [NEET 2016]
In Klinefelter's syndrome, what is generally the set of sex chromosome
In Klinefelter's syndrome, what is generally the set of sex chromosome
- [AIPMT 1993]
When mammary glands of male develop similar to that of female, then this condition is known as
When mammary glands of male develop similar to that of female, then this condition is known as
- [AIIMS 1981]
Which of the following disorder is seen in human female only?
Which of the following disorder is seen in human female only?
In which of the following disorder gynaecomastia symptom is seen in individuals?
In which of the following disorder gynaecomastia symptom is seen in individuals?