An extra sex chromosome is present in . . . . . . .

  • A
    Turner syndrome
  • B
    Thalassemia
  • C
    Klinefelter syndrome
  • D
    Down syndrome

Explore More

Similar Questions

If there is an addition of a single chromosome to the total set of chromosomes,it is called . . . . . . .

$A$ person who is trisomic for the $21^{st}$ pair of chromosomes has:

What is the cause of $Down's$ syndrome?

An abnormal male child is born to normal parents. This child shows a short neck,stubby hands,slanting eyes,a permanently open mouth with a projecting upper lip,and short stature. This abnormality can be attributed to:

What is a change in the number of chromosomes called?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo