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NEET Biology question

BiologyMolecular Basis of InheritanceNEET

Choose the correct statements I. DNA replication takes place before mitosis and meiosis II. Polarity of DNA template on which leading strand forms is 3'-5' III. Product of the genes may be rRNA, tRNA, mRNA IV. Product of hnRNA is mRNA

Answer: (D)

Solution

All four statements are correct — DNA replicates during S phase before both mitosis and meiosis (I); the leading strand is synthesised continuously using a 3'→5'

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Question ID VK-120732