Semi-conservative replication

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Semi-conservative replication is the mechanism by which DNA replicates in cells. The parent strand splits in two and uses itself as a template to form a second complementary strand.  Together the template strand and the complementary strand bond together to form a new double strand of DNA.  One parent double strand of DNA will thus become two daughter double strands of DNA [1].


The term "semi-conservative" refers to the fact that each of daughter double helix contains one conserved strand from the parent DNA, as well as one newly synthesised strand. 


Semi-conservative replication.gif

References

  1. Hartl, D and Jones, E (2009). Genetics- Analysis of genes and genomes. 7th ed. Sudbury: Jones and Bartlett publishers, Inc. 192.
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