NGS data to an answer

3 important questions on NGS data to an answer

What are the steps to get reads and mapping?

  1. Patiënt DNA
  2. fragmented DNA
  3. sequencing
  4. mapping (reference genome)
  5. variant calling

What are the three outcomes by variant calling?

  1. Homozygous reference (ref/ref)
  2. heterozygous (ref/non-ref)
  3. homozygous non-reference (non-ref/non-ref)

How do we find the sigle variant that causes the genetic disease? (assuming monogenetic cause)

  1. Variant already known to cause a disease
  2. frequency of variant in (healthy) population
    1. freqeuned variant in population highly likely to not cause teh disease
  3. inheritance

The question on the page originate from the summary of the following study material:

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