Gynecomastia is a symptom of

Turner's syndrome is caused due to the absence of ........ chromosomes.

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

$A$ pregnant woman who has undergone an amniocentesis test finds an extra $Barr$ body in her embryo. Which syndrome is likely to be associated with the embryo?

Philadelphia chromosome is

In which of the genetic disorders does an individual have an overall masculine development,gynaecomastia,and is sterile?