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DNA replication allows the basic units of heredity found on segments of DNA, called ________ , to be passed on from parent to offspring.



Answer :

Answer;
DNA replication allows the basic units of heredity found on segments of DNA, called genes, to be passed on from parent to offspring. 

Explanation;
DNA replication involves the synthesis of other new DNA helices from the parent DNA helix in which the two strands of the parent DNA acts as templates to synthesize new complementary strands. This is a semi-conservative process in which the new DNA helix contains one strand from the original DNA and one new strand.  
By so doing the process allows genes (segments of DNA) to be passed from the parents to the offsprings.

The gene is the basic unit of heredity that is present in the DNA segment. During DNA replication, these genes are passed from one generation to generation.

Further Explanation:

DNA replication is referred to as the copying of DNA (deoxyribonucleic acid) of a cell. The mechanism of DNA replication is similar to each and every organism. It is a semiconservative mechanism. DNA is a double helix structure and each of its strand act as a template which is essential for the synthesis of new complementary strand. During the process, the genes of the parents are transferred to offspring.

This process helps in the formation of two daughter cells with an equal number of chromosomes. Each new cell contains one new and one old strand of DNA. DNA replication includes four basic steps, first formation of the replication fork. DNA polymerase is the enzyme that helps in unzipping the double helix structure into two separate strands. The second step is primer binding that is required for the formation of complementary strand. The third step in DNA elongation and the final step is termination.  

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Genetic material.

Keywords:

gene, heredity, DNA, segment, replication, generation, organism, polymerase, enzyme, double helix, complimentary, termination, elongation.

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