NEET Biology question

Assertion: Fetal disorders can be diagnosed by chorionic villi sampling. [NEET 2020] Reason: Karyotyping can be done for mitotically dividing cells of chorionic villi.

(A)Both assertion and reason are true and reason is the correct explanation of assertion.Correct
(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

Chorionic villi sampling (CVS) allows fetal disorders to be diagnosed because the actively (mitotically) dividing cells of the chorionic villi can

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Question ID VK-118798