In honey bees, the drones $(males)$ are produced from:

The twenty-third pair of chromosomes in humans is known as:

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

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 our society,women are often blamed for giving birth to daughters. Can you explain why this is not correct?

Sometimes $XX$ males and $XY$ females are produced due to: