Number of chromosomes in Down's syndrome are

  • A

    $46$

  • B

    $47$

  • C

    $48$

  • D

    $49$

Similar Questions

Sometimes chromosome number increase or decrease due to

In which disorder $XXY$ karyotype is present ?

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 ?

A pregnant woman who has done aminocentesis test finds an extra Barr body in her embryo. The syndrome which is likely to be associated with the embryois

  • [AIIMS 1997]

Assertion: Aneuploidy may be of hypoploidy or hyperploidy type.

Reason: Monosomy lacks one pair of chromosomes.

  • [AIIMS 2011]