A medical technician while observing a human blood smear under the microscope notes the presence of Barr body close to the nuclear membrane in the WBC. This indicates that person under investigation is

The following figure refer to the chromosome complement of each sex of fruit fly

By which number is a $\mathrm{Y}$chromosome labelled

If somatic cells of a human male contain single barrbody, the genetic composition of the person would be

Or

The genotype of a boy having sexual characters of a girl is

If somatic cells of a human male contain single barr body, the genetic composition of the person would be

Or

The genotype of a boy having sexual characters of a girl is