Which of the following statements are correct about Klinefelter’s Syndrome?

A. This disorder was first described by Langdon Down (1866).

B. Such an individual has overall masculine development. However, the feminine development is also expressed.

C. The affected individual is short statured.

D. Physical, psychomotor and mental development is retarded.

E. Such individuals are sterile.

Choose the correct answer from the options given below :

Broad palm with single palm crease is visible in a person suffering from-

Which one of the following symbols represents mating between relatives in human pedigree analysis?

Given below are two statements:

Statement I : Sickle cell anaemia and haemophilia are autosomal dominant traits.

Statement II : Sickle cell anaemia and haemophilia are disorders of the blood.

In the light of the above statements, choose the correct answer from the options given below :