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# Genome Details

This file is probably misnamed.

*TODO*: Update name once we know where this fits

## Tags

* type: documentation, doc, docs
* assigned: fredm
* priority: docs
* status: open
* keywords: gn-uploader, uploader, genome

## Location

### centiMorgan (cM)

We no longer use centiMorgan in GeneNetwork

From the email threads:

```
> …
> Sorry, we now generally do not use centimorgans. Chr 19 is 57 cM
> using markers that exclude telomeres in most crosses.
> …
```

and

```
> …
> I know that cM is a bit more variable because it's not a direct measurement, …
> …
```

### Megabasepairs (Mbp)

The uploader will store any provided physical location values (in megabasepairs) in the
=> https://gn1.genenetwork.org/webqtl/main.py?FormID=schemaShowPage#Geno Geno table
specifically in the `Mb` field of that table.