The Lyon hypothesis deals with:

In a population of a grasshopper species, the chromosome number of some members is $23$ and some other members possess $24$ chromosomes. The $23$ and $24$ chromosome-bearing members in this species are . . . . . . .

Genes located on the $Y$ chromosome in males are called ........

The type of sex determination in honey bees is:

Assertion : In humans,the gamete contributed by the male determines whether the child produced will be male or female.
Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.

Which animal exhibits sex determination through the haplo-diploid mechanism?