**NEW** : Announcing SeqOne's new cost-effective, accurate and clinically approved HRD test. **Click here to find out more**
**NEW** : Announcing SeqOne's new cost-effective, accurate and clinically approved HRD test. [**Click here to find out more**](https://seqone.com/hrd)

Challenging variants in constitutional diseases

Challenging variants are difficult to identify but play an important role in building a complete picture of a patient. These types of variants include:

  • Mid-sized deletions,
  • Mobile Element Insertions – MEI (see below)
  • Exome CNV’s

Download our white paper to know more about these types of variants and how to detect them.