What does it mean when my genotype is – -?

There are a couple of reasons you might find dashes instead of your genotype in the reports and articles.

Data not connected:

If you see dashed lines (- - ) for all of the genotypes, then you likely aren’t connected to your raw data file. Be sure to unzip the downloaded data and connect to the .txt or .csv file – not the .zip.

Undefinied or not included in your raw data:

If you are just seeing dashes in a few of the genotypes, it is likely that your raw data file doesn’t include the information for that specific rs id. It is undefined.

How to know if you should see your data:

The genotype section in each article indicates whether it is available on 23andMe versions 4 or 5 or AncestryDNA v.2 data. Most of the SNPs listed for 23andMe v4 are also found in the v3 data.