And even before that time—after around 1.5 million years—the remaining strands of DNA would be too short to be readable. So a dinosaur bone, which would be at ...

Polymerases catalyse the addition, using a template, of complementary nucleotides to the 3′ end of DNA primer strands ... human genome encodes at least 14 DNA-dependent DNA polymerases ...

With the technique called polymerase chain reaction (PCR), scientists can make multiple copies of a specific genetic sequence within DNA. PCR is a powerful tool for researchers because it allows ...