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BMD427 Lecture 2: Genomic Data Acquisition and Quality Control Quiz

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BMD427 Lecture 2: Genomic Data Acquisition and Quality Control Quiz

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Questions and Answers

What is the main challenge associated with sequencing data?

Monitoring quality control metrics over all stages of the data processing pipeline (correct)

Economical and practical diagnostic approach

Selecting and analyzing genes related to a specific disease

Analyzing the entire genome

What percentage of the human genome do exonic regions comprise?

15%

50%

85%

2% (correct)

What genetic information does targeted sequencing provide?

Genes related to a specific disease or disease group (correct)

Only noncoding region sequences

Entire genome analysis

Functional variants detection

What does WGS involve the analysis of?

Entire genome Signup and view all the answers

What does WES exhibit low sensitivity to?

Structural variations Signup and view all the answers

What is the purpose of demultiplexing in DNA sequencing?

To sort sequenced reads into separate files for each sample in a sequenced run based on unique sequences ligated to each sample's genetic material Signup and view all the answers

What is the main reason for performing quality control (QC) in DNA sequencing?

To save time, effort, and money by screening for data with quality issues Signup and view all the answers

What are the universal QC metrics used in DNA sequencing?

Demultiplexing, base call quality, adapter content, mapping quality Signup and view all the answers

What is the purpose of quality encoding in DNA sequencing?

To convert ASCII table into quality scores for sequenced reads Signup and view all the answers

What is the significance of QC in the overall workflow of DNA sequencing data?

To exclude data with serious quality issues and flag data with questionable quality Signup and view all the answers