Question

Which of the following is the characteristic feature of Down’s syndrome?

(a) Congenital heart disease

(b) Short stature

(c) Broad palm with palm crease

(d) Underdeveloped gonads

The question was asked in an online quiz.

My query is from Inheritance and Variation Principles topic in section Principles of Inheritance and Variation of Biology – Class 12

Answer 1

Right option is (c) Broad palm with palm crease

For explanation: Congenital heart disease, short stature, and underdeveloped gonads are some features of Down’s syndrome which also occur in other people. But, broad palm with a palm crease is the characteristic feature of someone with Down’s syndrome.