# Indicating Heterozygosity

## Tags

* status: ongoing
* assigned: fredm, zachs, acenteno
* type: documentation
* priority: medium
* keywords: doc, documentation, heterozygous, hererozygosity

## Description

For GeneNetwork, we indicate the the allele values in one of two formats:

```
|--------------|----------|----------|
| Source       | Format 1 | Format 2 |
|--------------|----------|----------|
| Founder      | 0        | 0        |
| Heterozygous | 1        | 0.5      |
| Other        | 2        | 1        |
|--------------|----------|----------|
```

Values outside of these are considered an error.

These values are stored in the GenoCode table.