NEET Biology question

Statement 1 (Assertion): In pigeons, females are heterogametic and males are homogametic. Statement 2 (Reason): In pigeons, females have ZW sex chromosomes and males have ZZ sex chromosomes.

(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

Pigeons (like other birds) follow the ZW-ZZ sex-determination system, in which the female, carrying two different sex chromosomes (ZW), is heterogametic (producing two types of eggs), and the male, carrying two identical sex chromosomes (ZZ), is

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Question ID VK-120438