Which disorder is caused in man by the presence of one extra sex chromosome?

Which disorder is caused in man due to presence of one extra sex chromosome ?

Whichdisorder is caused in man due to presence of an extra chromosome number 21?

Mangolism is a genetic disorder which is caused by the presence of an extra chromosome number.

Assertion :- Gynaecomastia is observed in Turner's syndrome. reason :- Such a disorder is caused due to the presence of extra copy of X-chromosome.

Absence of one sex chromosome causes

Absence of one sex chromosome causes

The symptoms of a genetic disorder are short- statured with a small round head , furrowed tongue and partially open mouth. Such a genetic disorder is characterized by the presence of an extra chromosome number ………..

Assertion :- Gynacomastia is observed in Turner's syndrome. Teason :- Such a disorder is caused due to the presence of eaxtra copy of X-chromosome.