Human embroy have all the genetic instuctions, in needed the become a male of frmale. The male foetus have a master gene which acts as a biological weitch, turning other genes on and off. Loss of this gene results in female which reamin sexually immature. This master gene is located on :-

Options

A. Homologous part of X-chromosome
B. Non homologur part of X-chromosome
C. All the autosome
D. Y-chromosome

Answer

D