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Genetics and evolution

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Question 5

The speed at which DNA can be sequenced has increased exponentially since the introduction of first-generation sequencing methods. The length of DNA sequenced in a given time can be measured in base pairs (bp), megabase pairs (Mb, where 1 Mb=106 bp1\text{ Mb} = 10^6\text{ bp}1 Mb=106 bp), or terabase pairs (Tb, where 1 Tb=1012 bp1\text{ Tb} = 10^{12}\text{ bp}1 Tb=1012 bp).

In 2008, a second-generation high-throughput sequencing platform could sequence at a rate of approximately 7.5 Mb7.5\text{ Mb}7.5 Mb per hour. By 2026, a newly designed enterprise-scale sequencing array is projected to sequence approximately 1.2 Tb1.2\text{ Tb}1.2 Tb per hour.

Calculate how many times faster the speed of DNA sequencing is in 2026 compared with 2008. Give your answer in standard form.

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Genetics and evolution Questions

  1. A Level
  2. /Biology
  3. /Genetics and evolution