Find the homework questions for Read Quality Control at Canvas as Genomics Reads Quality

After the exercise, work through these examples to be certain you understand the principles. The answers are linked at the bottom of the page in order from first to last (left to right). These (below) will not be graded.

Exercises

1. Quality Control Software

   Base Quality

   1 - What is the last read in the SRR2584863_1.fastq file? How confident are you in this read?

   File Size

   2 - How big are the files? (Hint: Look at the options for the ls command to see how to show file sizes.)

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   Overall Read Quality

   3 - Which sample(s) looks the best in terms of per base sequence quality? Which sample(s) look the worst?

   FastQC

   4 - Which samples failed at least one of FastQC’s quality tests? What test(s) did those samples fail?

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