Proposed mode of dna replication where one daughter cells gets both strands of parent dna and the other daughter cell gets both strands of new dna.
a. bi-directional replication
b. dispersive replication
c. conservative replication
d. semiconservative replication

c. Conservative replication

Explanation:

In conservative mode of replication, the parent DNA molecule will direct the synthesis of entirely new DNA molecule. Hence, one daughter cell will get the old  DNA with both parental strands and the other daughter cell will get the new DNA with both new strands.But the widely accepted replication model is semi conservative model. Where both the strands separate and act as template for new strands. Hence, the new DNA molecules will have one parental DNA strand and one new DNA strand. According to dispersive replication model, the newly synthesized DNA randomly gets fragments of parental DNA.

Hence, the answer is conservative replication.

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