In which of the following is inheritance transmitted only through the male?

The fruit fly, $Drosophila \text{ melanogaster}$, has a diploid chromosome number of $8$. Its chromosome complement consists of:

In which of the following is parthenogenesis observed?

How many pairs of autosomes are present in Drosophila?

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:

Two different types of gametes in terms of the sex chromosomes are produced by