Question

Which of the following features correctly show the mechanism of sex-determination in honey-bees?

1. A zygote formed from the union of a sperm and an egg develops into a male.
2. Males have half the number of chromosomes as that of females.
3. The females are diploid having 32 chromosomes.
4. Males have a father and can produce sons.

Choose the correct option:

Options

• (i) and (ii)

• (ii) and (iii)

• (i) and (iv)

• (ii) and (iv)

Answer 1

(ii) and (iii)

Explanation:

Honeybees’ sex determination is based on haplodiploidy, with females (queens and workers) having 32 chromosomes. Male drones have 16 chromosomes and develop from unfertilized eggs, making them haploid.