Question

In honey bees, _____

A.

males are triploid and females are tetraploid.

B.

males are haploid and females are diploid.

C.

males are diploid and females are haploid.

D.

males are tetraploid and females are triploid.

Correct option is B

The correct answer is (b)males are haploid and females are diploid.
In honey bees, the males (drones) are haploid and have only one set of chromosomes, while the females (queens and worker bees) are diploid and have two sets of chromosomes. This unique system is known as Haplodiploidy.
· Males (Drones): They are produced from unfertilized eggs, meaning they have only one set of chromosomes (haploid).
· Females (Queens and Workers): They are produced from fertilized eggs, meaning they inherit two sets of chromosomes (diploid).
This mechanism of sex determination is different from most other animals, where males are typically diploid and females are typically diploid as well.
Additional Information:
· Haplodiploidy System: In the honey bee colony, the queen bee controls the sex determination process. If the queen lays an unfertilized egg, it becomes a male drone (haploid), whereas if the egg is fertilized, it becomes a female worker or queen (diploid).
· The male drones' primary role is to mate with the queen, while female worker bees are responsible for foraging, caring for the young, and defending the hive. The queen’s role is to reproduce.

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