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Assertion: Chromosomal disorders can result from errors in meiosis.

Reason: Meiosis is the process of cell division that produces gametes with half the number of chromosomes as the parent cell, and errors in meiosis can lead to chromosomal abnormalities.

Option: 1

Both assertion and reason are true, and the reason is the correct explanation of the assertion.
 


Option: 2

Both assertion and reason are true, but the reason is not the correct explanation of the assertion.

 


Option: 3

The assertion is true, but the reason is false.

 


Option: 4

The assertion is false, but the reason is true.


Answers (1)

best_answer

Chromosomal disorders are caused by abnormalities in the number or structure of chromosomes. Meiosis is the process of cell division that produces gametes with half the number of chromosomes as the parent cell. Errors in meiosis, such as nondisjunction or chromosome breakage, can lead to the production of gametes with an abnormal number or arrangement of chromosomes, which can result in chromosomal disorders in the offspring. Therefore, the assertion is correct, and the reason is the correct explanation for the assertion. Hence option A is the correct answer.

Option(B) Both assertion and reason are true and the reason explains assertion correctly. Hence option B is incorrect.

Option(C) Both assertion and reason are true. Hence option C is incorrect.

Option(D) Both assertion and reason are true. Hence option D is incorrect.

 

Posted by

Kuldeep Maurya

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