Interpreting DNA sequencing data: answers to the quiz

Which read(s):

  • 1. contain either a SNP (a single nucleotide polymorphism) or a position where different members of a multi-gene family have a different base?
  • C

  • 2. doesn't have any DNA?
  • B

  • 3. is a PCR product?
  • A, B, and C.  All of three reads were obtained by sequencing PCR products, generated with the same set of primers.

The quality plots that I refer to are here.

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…you think the PCR song is kind of catchy. The PCR Song
tags: Scientists for Better PCR, humor,
Scienceblogs has a German cousin, Scienceblogs.de where I found this absolutely hilarious YouTube music video, "Scientists for a better PCR." Yes, it's an advert for a PCR device called a thermocycler but it's incredibly funny -- if you have that kind of sense of humor.
Yesterday, I posted a memorial for Ron Mardigian, an enthusiastic champion of science education at Bio-Rad.