Concept explainers
How does DNA replication occur in a precise manner to ensure that identical genetic information is put into the new chromatid? See Figures 8.12 and 8.13.
FIGURE 8.12 In DNA replication, the two polynucleotide strands uncoil, and each is a template for synthesizing a new strand. A
FIGURE 8.13 A close-up look at the process of DNA replication. (a) As the strands uncoil, bases are added to the newly synthesized strand by complementary base pairing with bases in the template strand. The new bases are linked together by DNA polymerase. (b) DNA synthesis can proceed only in the 5′ →3′ direction; newly synthesized DNA on one template strand is made in short segments and linked together by the enzyme DNA ligase.
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Chapter 8 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
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