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Q.

Consider the process that a cell uses to replicate its doublestrand DNA to make copies for daughter cells. Which statement describes the DNA in daughter cells ?

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a

The double helix in one daughter cell consists of two strands that were originally in the parent cell, while the double helix in the other daughter cell consists of two newly made strands.

b

The two strands of the double helices in both daughter cells consist of segments of new and parental DNA.

c

The double helices in each daughter cell consists of one parental strand and one newly made strand.

d

Both the daughter DNA molecules have only newly formed strands but no parental strands.

answer is C.

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Detailed Solution

DNA replication is semi-conservative . Among two strands of new DNA molecule , one strand is parental strand and another strand is newly synthesized.

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