NEET Biology question

Statement 1 (Assertion): In honeybees, drones have 16 chromosomes while the queen has 32 chromosomes. Statement 2 (Reason): Male bees develop from unfertilized eggs and female bees develop from fertilized eggs.

(A)Both assertion and reason are true and reason is the correct explanation of assertionCorrect
(B)Both assertion and reason are true but reason is not the correct explanation of assertion
(C)Assertion is true but reason is false
(D)Both assertion and reason are false

Answer: (A)

Solution

In the haplodiploid honeybee system, drones (males) do indeed have 16 (haploid) chromosomes while the queen (female) has 32 (diploid) chromosomes (Statement 1 is true). This is directly and correctly explained by the fact that

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Question ID VK-120439