This post explains how to double check that your coins will be included in the genesis block.

Checking your balance

You can use the crowd sale wallet (same place you bought your tokens) to check your balance.

Go to crowdsale.zenprotocol.com

Scenario 1 — logged in

If you are already logged in you should be able to see your balance without further action as shown below:

Logged in view

In this example you can see you have a balance of 1. Make sure you have the 24 word that was generated with this public key.