When dna is duplicated during mitosis, one completely new dna molecule is formed two completely new dna molecules are formed two molecules are formed, each with one original side the original molecule thickens and separates into two

Answer;

Two molecules are formed, each with original "upright"

When DNA is duplicated during mitosis two molecules are formed, each with original "upright".

Explanation;

The process of making a copy of DNA is called DNA replication;

The process is catalyzed by the enzyme DNA polymerase, where DNA molecule acts as the primer.

The process is semi-conservative which means there will be formation of two new strands each with one strand from the original DNA and another new strand.

During the process the two strands of the Original DNA are used to form corresponding new strands to form two new strands of DNA.

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