The sex of a human child is determined by:

In the given figure, the part indicated by $B$ is produced by which process?

The genic balance theory of sex determination was proposed by:

Which of the following statements are true with reference to the sex-determination in honeybees?
$A$. An offspring formed from the union of a sperm and an egg, develops as a female (queen or worker).
$B$. An unfertilized egg develops as a male by parthenogenesis.
$C$. $A$ male has half the number of chromosomes than that of a female.
$D$. Males produce sperms by meiosis.
$E$. Honeybees have a haplodiploid sex determination system.
Choose the correct answer from the options given below:

In $Drosophila$,the sex is determined by

In humans,the inheritance of sex-linked traits takes place through