Q. The unfertilised eggs in honeybees develop into

 380  164 Principles of Inheritance and Variation Report Error

Solution:

The sex-determination in honeybee is based on the number of sets of chromosomes an individual receives. An offspring formed from the union of a sperm and an egg develops as a female (queen or worker) and an unfertilised egg develops as a male (drone) by means of parthenogenesis.