Sex-linked traits are the traits determined by

Select the correct sequence of the $F_1$ generation based on the provided cross.

In which of the following is male heterogamety $NOT$ observed?

The human embryo contains all the genetic instructions necessary to become either male or female. The male embryo contains a master regulatory gene that acts as a biological switch,turning other genes on and off. The absence of this gene results in a female,which remains sexually immature. This master regulatory gene is located on the .....

In haplo-diploid sex determination,by which process are male gametes produced?

In the drones of honeybee,there is no reduction in chromosome number during spermatogenesis. This indicates that