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

In $Drosophila$,how is sex determination decided?

In which of the following organisms is female heterogamety observed in sex determination?

Given below are two statements.
Statement $I$: The queen of honey bee develops by way of parthenogenesis.
Statement $II$: In honey bees,all diploid zygotes develop into males.
In light of the above statements,select the correct answer from the options given below.

Which of the following patterns of inheritance is exhibited only by males?

Given below are two statements.
Statement $I$ - $X$ Chromosome has a large amount of euchromatin and a small amount of heterochromatin.
Statement $II$ - The homologous region of the $X$ Chromosome contains a smaller number of genes than the $Y$ Chromosome.
In the light of the above statements,select the correct option given below: