Question

A person with trisomy of 21^st chromosome shows:
(i) Furrowed tongue
(ii) Characteristic palm crease
(iii) Rudimentary ovaries
(iv) Gynaecomastia
Select the correct option from the choices given below:

• A. (ii) and (iv)
• B. (i), (ii) and (iv)
• C. (ii) and (iii)
• D. (i) and (ii)

Hint:

Down syndrome is a genetic disorder caused by an extra copy of chromosome 21, leading to unique physical traits and intellectual development challenges.

Answer 1

The Correct Option is D

Down syndrome, characterized by trisomy of the 21^st chromosome, presents with features including a furrowed tongue (i) and a characteristic palm crease (ii). Gynaecomastia (iv) and rudimentary ovaries (iii) are not typical manifestations of Down syndrome.