In Down's syndrome $(Mongolism)$ each cell has how many chromosomes
In Down's syndrome $(Mongolism)$ each cell has how many chromosomes
- A
${21^{st}}$ pair having one less
- B
${23^{rd}}$ pair with one less
- C
$45$
- D
$47$
Similar Questions
Which of the following disorder is seen in human female only?
Which of the following disorder is seen in human female only?
Choose correct answer.
$(i)$ Sickle - cell anaemia is controlled by three pairs of allele.
$(ii)$ Trisomy is chromosomal disorder.
$(iii)$ $47$ chromosome present in person whose having Turner's syndrome.
Choose correct answer.
$(i)$ Sickle - cell anaemia is controlled by three pairs of allele.
$(ii)$ Trisomy is chromosomal disorder.
$(iii)$ $47$ chromosome present in person whose having Turner's syndrome.
- Physical, psychomotor and mental development is retarded.
- Palm is broad with characteristic palm crease, this symptoms shows....
- Physical, psychomotor and mental development is retarded.
- Palm is broad with characteristic palm crease, this symptoms shows....
What is Down’s syndrome ? Give its symptoms and cause. Why is it that the chances of having a child with Down’s syndrome increases if the age of the mother exceeds forty years ?
What is Down’s syndrome ? Give its symptoms and cause. Why is it that the chances of having a child with Down’s syndrome increases if the age of the mother exceeds forty years ?
The monosomic condition in human beings depicted as $XO$ is referred to as
The monosomic condition in human beings depicted as $XO$ is referred to as
- [AIIMS 1985]