Individuals with karyotype of 44+XXY having overall masculine development with few feminine development like Gynaecomastia has________chromosomal disorder.

Klinefelter's Syndrome

The correct answer is Option (1) –Klinefelter's Syndrome

Klinefelter’s Syndrome : This genetic disorder is also caused due to the presence of an additional copy of X- chromosome resulting into a karyotype of 47, XXY.

Such an individual has overall masculine development, however, the feminine development (development of breast, i.e., Gynaecomastia) is also expressed. Such individuals are sterile.